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JEE Capacitance PYQs with Solutions

307 previous year questions from Capacitance (JEE Main & Advanced Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

307 questionsPhysics2002–2026Answers + solutions

About Capacitance PYQs

Capacitance has 307 previous year questions in the Quantrex Academy JEE Main & Advanced Physics bank. The 220 questions in this list come from JEE Main (177), 99 Percentile Qs Bank for JEE Main (25) and JEE Advanced (18), spanning 2002 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

  • 2026: 15
  • 2025: 16
  • 2024: 16
  • 2023: 19
  • 2022: 27
  • 2021: 22
  • 2020: 13
  • 2019: 16
  • 2018: 7
  • 2017: 5
  • 2016: 3
  • 2015: 4

Capacitance questions with solutions

1

Passage: A container of height 2 m, length 2 m and breadth 1 m is made of insulating vertical walls and two large area horizontal metal plates ( M_1 and M_2 ) which extend far

JEE Advanced 2026 Solution View → 2

A parallel plate capacitor is having separation between plates 0.885 mm. It has a capacitance of 1\,μ F when the space between the plates is filled with an insulating material of

JEE Main 2026 Solution View → 3

A sphere of capacitance 100 pF is charged to a potential of 100 V. Another identical uncharged metal sphere is brought in contact with the charged sphere, then the change in the

JEE Main 2026 Solution View → 4

From the circuit given below, the capacitance between terminals A and B shown in the circuit is ______ μ F. (take C_1=C_2=C_3=1 μ F and C_4=2 μ F.)

JEE Main 2026 Solution View → 5

A parallel plate air capacitor is connected to a battery. The plates are pulled apart at uniform speed v . If x is the separation between the plates at any instant, then the time

JEE Main 2026 Solution View → 6

Consider a circuit consisting of a capacitor ( 20\ μ F), resistor ( 100\ Ω ) and two identical diodes as shown in figure. The resistance of diode under forward biasing condition

JEE Main 2026 Solution View → 7

The dimensional formula of (1)/(2)ε_0 E^2 ( ε_0 = permittivity of vacuum and E = electric field) is M^a L^b T^c . The value of 2a - b + c = _______.

JEE Main 2026 Solution View → 8

A parallel plate air capacitor has a capacitance C . When it is half filled as show in figure with a dielectric constant K = 5 , the percentage increase in the capacitance is

JEE Main 2026 Solution View → 9

Identify the correct statements : A. Effective capacitance of a series combination of capacitors is always smaller than the smallest capacitance of the capacitor in the

JEE Main 2026 Solution View → 10

Three parallel plate capacitors each with area A and separation d are filled with two dielectric ( k_ 1 and k_ 2 ) in the following fashion. Which of the following is true? (k_ 1

JEE Main 2026 Solution View → 11

A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a mica sheet of 2 mm and maintaining the connections of the plates with the terminals

JEE Main 2026 Solution View → 12

The space between the plates of a parallel plate capacitor of capacitance C (without any dielectric) is now filled with three dielectric slabs of dielectric constants K_ 1 =2, K_

JEE Main 2026 Solution View → 13

A capacitor P with capacitance 10 × 10^ -6 ~F is fully charged with a potential difference of 6.0 V and disconnected from the battery. The charged capacitor P is connected across

JEE Main 2026 Solution View → 14

The charge stored by the capacitor C in the given circuit in the steady state is \_\_\_\_ μ C .

JEE Main 2026 Solution View → 15

A parallel plate capacitor has capacitance C , when there is vacuum within the parallel plates. A sheet having thickness ((1)/(3))^ rd of the separation between the plates and

JEE Main 2026 Solution View → 16

Space between the plates of a parallel plate capacitor of plate area 4 ~cm^2 and separation of (d) 1.77 mm, is filled with uniform dielectric materials with dielectric constants

JEE Main 2025 Solution View → 17

A parallel plate capacitor has charge 5 × 10^ -6 C . A dielectric slab is inserted between the plates and almost fills the space between the plates. If the induced charge on one

JEE Main 2025 Solution View → 18

Three parallel plate capacitors C_1, C_2 and C_3 each of capacitance 5 μ ~F are connected as shown in figure. The effective capacitance between points A and B, when the space

JEE Main 2025 Solution View → 19

Four capacitor each of capacitance 16 μ ~F are connected as shown in the figure. The capacitance between points A and B is : ______ (in μ F ).

JEE Main 2025 Solution View → 20

Using a battery, a 100 pF capacitor is charged to 60 V and then the battery is removed. After that, a second uncharged capacitor is connected to the first capacitor in parallel.

JEE Main 2025 Solution View → 21

A parallel plate capacitor is filled equally (half) with two dielectrics of dielectric constant ε_1 and ε_2 , as shown in figures. The distance between the plates is d and area of

JEE Main 2025 Solution View → 22

A capacitor, C_1=6 μ ~F is charged to a potential difference of V_0=5 ~V using a 5 V battery. The battery is removed and another capacitor, C_2=12 μ ~F is inserted in place of the

JEE Main 2025 Solution View → 23

A parallel plate capacitor consisting of two circular plates of radius 10 cm is being charged by a constant current of 0.15 A . If the rate of change of potential difference

JEE Main 2025 Solution View → 24

A parallel plate capacitor of capacitance 1 μ ~F is charged to a potential difference of 20 V . The distance between plates is 1 μ ~m . The energy density between plates of

JEE Main 2025 Solution View → 25

Two capacitors C_1 and C_2 are connected in parallel to a battery. Charge-time graph is shown below for the two capacitors. The energy stored with them are U_1 and U_2

JEE Main 2025 Solution View → 26

A parallel plate capacitor was made with two rectangular plates, each with a length of l=3 ~cm and breath of b=1 ~cm . The distance between the plates is 3 μ ~m . Out of the

JEE Main 2025 Solution View → 27

Consider a parallel plate capacitor of area A (of each plate) and separation 'd' between the plates. If E is the electric field and ε_0 is the permittivity of free space between

JEE Main 2025 Solution View → 28

A time varying potential difference is applied between the plates of a parallel plate capacitor of capacitance 2.5 μ ~F . The dielectric constant of the medium between the

JEE Main 2025 Solution View → 29

At steady state the charge on the capacitor, as shown in the circuit below, is μ C .

JEE Main 2025 Solution View → 30

Identify the valid statements relevant to the given circuit at the instant when the key is closed. A. There will be no current through resistor R . B. There will be maximum

JEE Main 2025 Solution View → 31

A parallel-plate capacitor of capacitance 40 μ ~F is connected to a 100 V power supply. Now the intermediate space between the plates is filled with a dielectric material of

JEE Main 2025 Solution View → 32

Four identical thin, square metal sheets, S_1, S_2, S_3 and S_4 , each of side a are kept parallel to each other with equal distance d( a) between them, as shown in the figure.

JEE Advanced 2024 Solution View → 33

A bulb and a capacitor are connected in series across an ac supply. A dielectric is then placed between the plates of the capacitor. The glow of the bulb:

JEE Main 2024 Solution View → 34

A capacitor is made of a flat plate of area A and a second plate having a stair-like structure as shown in figure. If the area of each stair is (A)/(3) and the height is d , the

JEE Main 2024 Solution View → 35

A capacitor has air as dielectric medium and two conducting plates of area 12 ~cm^2 and they are 0.6 ~cm apart. When a slab of dielectric having area 12 ~cm^2 and 0.6 ~cm

JEE Main 2024 Solution View → 36

A capacitor of 10 μ F capacitance whose plates are separated by 10 ~mm through air and each plate has area 4 ~cm^2 is now filled equally with two dielectric media of K_1=2, ~K_2=3

JEE Main 2024 Solution View → 37

Three capacitors of capacitances 25 μ F, 30 μ F and 45 μ F are connected in parallel to a supply of 100 ~V . Energy stored in the above combination is E. When these capacitors are

JEE Main 2024 Solution View → 38

The electric field between the two parallel plates of a capacitor of 1.5 μ F capacitance drops to one third of its initial value in 6.6 μ s when the plates are connected by a thin

JEE Main 2024 Solution View → 39

A parallel plate capacitor of capacitance 12.5 pF is charged by a battery connected between its plates to potential difference of 12.0 ~V . The battery is now disconnected and a

JEE Main 2024 Solution View → 40

A galvanometer (G) of 2Ω resistance is connected in the given circuit. The ratio of charge stored in C _ 1 and C _ 2 is:

JEE Main 2024 Solution View → 41

In an electrical circuit drawn below the amount of charge stored in the capacitor is _______ μ C .

JEE Main 2024 Solution View → 42

Two identical capacitors have same capacitance C . One of them is charged to the potential V and other to the potential 2V . The negative ends of both are connected together. When

JEE Main 2024 Solution View → 43

A parallel plate capacitor with plate separation 5mm is charged up by a battery. It is found that on introducing a dielectric sheet of thickness 2mm , while keeping the battery

JEE Main 2024 Solution View → 44

A capacitor of capacitance C and potential V has energy E . It is connected to another capacitor of capacitance 2C and potential 2V . Then the loss of energy is (x)/(3)E , where x

JEE Main 2024 Solution View → 45

A capacitor of capacitance 100μ F is charged to a potential of 12V and connected to a 6 . 4mH inductor to produce oscillations. The maximum current in the circuit would be :

JEE Main 2024 Solution View → 46

A 16Ω wire is bend to form a square loop. A 9V battery with internal resistance 1Ω is connected across one of its sides. If a 4μ F capacitor is connected across one of its

JEE Main 2024 Solution View → 47

The charge accumulated on the capacitor connected in the following circuit is ______ μ C . (Given C = 150 )

JEE Main 2024 Solution View → 48

A container has a base of 50cm × 5cm and height 50cm , as shown in the figure. It has two parallel electrically conducting walls each of area 50cm × 50cm . The remaining walls of

JEE Advanced 2023 Solution View → 49

In the given figure the total charge stored in the combination of capacitors is 100 µ C . The value of ‘ x ’ is ______________.

JEE Main 2023 Solution View → 50

In the network shown below, the charge accumulated in the capacitor in steady state will be:

JEE Main 2023 Solution View → 51

In the circuit shown, the energy stored in the capacitor is nμ J . The value of n is _____.

JEE Main 2023 Solution View → 52

A capacitor of capacitance C is charged to a potential V . The flux of the electric field through a closed surface enclosing the positive plate of the capacitor is:

JEE Main 2023 Solution View → 53

In the given circuit. C _ 1 = 2 , C _ 2 = 0 . 2 , C _ 3 = 2 , C _ 4 = 4 , C _ 5 = 2 , C _ 6 = 2 . The charge stored on capacitor C _ 4 is ______ .

JEE Main 2023 Solution View → 54

The electric field in an electromagnetic wave is given as → E = 20sinω(t - (x)/(c)) → j N C ^ - 1 , where ω and c are angular frequency and velocity of electromagnetic wave

JEE Main 2023 Solution View → 55

A parallel plate capacitor of capacitance 2F is charged to a potential V . The energy stored in the capacitor is E _ 1 . The capacitor is now connected to another uncharged

JEE Main 2023 Solution View → 56

The distance between two plates of a capacitor is d and its capacitance is C _ 1 , when air is the medium between the plates. If a metal sheet of thickness (2d)/(3) and of the

JEE Main 2023 Solution View → 57

The equivalent capacitance of the combination shown is

JEE Main 2023 Solution View → 58

A 600pF capacitor is charged by 200V supply. It is then disconnected from the supply and is connected to another uncharged 600pF capacitor. Electrostatic energy lost in the

JEE Main 2023 Solution View → 59

As shown in the figure, two parallel plate capacitors having equal plate area of 200 cm ^ 2 are joined in such a way that a ≠ b . The equivalent capacitance of the combination is

JEE Main 2023 Solution View → 60

A parallel plate capacitor with plate area A and plate separation d is filled with a dielectric material of dielectric constant K = 4 . The thickness of the dielectric material is

JEE Main 2023 Solution View → 61

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Two metallic spheres are charged to the same potential. One of

JEE Main 2023 Solution View → 62

Two parallel plate capacitors C _ 1 and C _ 2 each having capacitance of 10μ F are individually charged by a 100V D.C. source. Capacitor C _ 1 is kept connected to the source and

JEE Main 2023 Solution View → 63

A capacitor of capacitance 900 µ F is charged by a 100V battery. The capacitor is disconnected from the battery and connected to another uncharged identical capacitor such that

JEE Main 2023 Solution View → 64

A capacitor has capacitance 5 µ F when its parallel plates are separated by air medium of thickness d . A slab of material of dielectric constant 1 . 5 having area equal to that

JEE Main 2023 Solution View → 65

A parallel plate capacitor has plate area 40 cm ^ 2 and plates separation 2mm . The space between the plates is filled with a dielectric medium of a thickness 1mm and dielectric

JEE Main 2023 Solution View → 66

A parallel plate capacitor with air between the plate has a capacitance of 15pF . The separation between the plate becomes twice and the space between them is filled with a medium

JEE Main 2023 Solution View → 67

In the following circuit C _ 1 = 12μ F, C _ 2 = C _ 3 = 4μ F and C _ 4 = C _ 5 = 2μ F . The charge stored in C _ 3 is μ C .

JEE Advanced 2022 Solution View → 68

A medium having dielectric constant K > 1 fills the space between the plates of a parallel plate capacitor. The plates have large area, and the distance between them is d . The

JEE Advanced 2022 Solution View → 69

Two identical thin metal plates has charge q _ 1 and q _ 2 respectively such that q _ 1 > q _ 2 . The plates were brought close to each other to form a parallel plate capacitor of

JEE Main 2022 Solution View → 70

A slab of dielectric constant K has the same crosssectional area as the plates of a parallel plate capacitor and thickness (3)/(4)d , where d is the separation of the plates. The

JEE Main 2022 Solution View → 71

Two capacitors, each having capacitance 40 are connected in series. The space between one of the capacitors is filled with dielectric material of dielectric constant K such that

JEE Main 2022 Solution View → 72

As show in the figure, in steady state, the charge stored in the capacitor is _____ × 10 ^ - 6 C .

JEE Main 2022 Solution View → 73

A parallel plate capacitor with width 4cm , length 8cm and separation between the plates of 4mm is connected to a battery of 20V . A dielectric slab of dielectric constant 5

JEE Main 2022 Solution View → 74

A source of potential difference V is connected to the combination of two identical capacitors as shown in the figure. When key K is closed, the total energy stored across the

JEE Main 2022 Solution View → 75

The total charge on the system of capacitance C _ 1 = 1μ F, C _ 2 = 2μ F, C _ 3 = 4μ F and C _ 4 = 3μ F connected in parallel is (Assume a battery of 20V is connected to the

JEE Main 2022 Solution View → 76

A composite parallel plate capacitor is made up of two different dielectric materials with different thickness ( t _ 1 and t _ 2 ) as shown in figure. The two different dielectric

JEE Main 2022 Solution View → 77

Capacitance of an isolated conducting sphere of radius R _ 1 becomes n times when it is enclosed by a concentric conducting sphere of radius R _ 2 connected to earth. The ratio of

JEE Main 2022 Solution View → 78

Two parallel plate capacitors of capacity C and 3C are connected in parallel combination and charged to a potential difference 18V . The battery is then disconnected and the space

JEE Main 2022 Solution View → 79

A condenser of 2 capacitance is charged steadily from 0 to 5C . Which of the following graph represents correctly the variation of potential difference (V) across its plates with

JEE Main 2022 Solution View → 80

A capacitor is discharging through a resistor R . Consider in time t _ 1 , the energy stored in the capacitor reduces to half of its initial value and in time t _ 2 , the charge

JEE Main 2022 Solution View → 81

The displacement current of 4 . 425μ A is developed in the space between the plates of parallel plate capacitor when voltage is changing at a rate of 10 ^ 6 V s ^ - 1 . The area

JEE Main 2022 Solution View → 82

A parallel plate capacitor filled with a medium of dielectric constant 10 , is connected across a battery and is charged. The dielectric slab is replaced by another slab of

JEE Main 2022 Solution View → 83

A capacitor C _ 1 of capacitance 5 is charged to a potential of 30V using a battery. The battery is then removed and the charged capacitor is connected to an uncharged capacitor C

JEE Main 2022 Solution View → 84

A parallel plate capacitor is made up of stair like structure with a plate area A of each stair and that is connected with a wire of length b , as shown in the figure. The

JEE Main 2022 Solution View → 85

A force of 10N acts on a charged particle placed between two plates of a charged capacitor. If one plate of capacitor is removed, then the force acting on that particle will be.

JEE Main 2022 Solution View → 86

A capacitor of capacitance 50pF is charged by 100V source. It is then connected to another uncharged identical capacitor. Electrostatic energy loss in the process is____ nJ .

JEE Main 2022 Solution View → 87

The charge on capacitor of capacitance 15 in the figure given below is

JEE Main 2022 Solution View → 88

A parallel plate capacitor with plate area A and plate separation d = 2m has a capacitance of 4μ F . The new capacitance of the system if half of the space between them is filled

JEE Main 2022 Solution View → 89

Two capacitors having capacitance C _ 1 and C _ 2 respectively are connected as shown in figure. Initially, capacitor C _ 1 is charged to a potential difference V volt by a

JEE Main 2022 Solution View → 90

Two metallic plates form a parallel plate capacitor. The distance between the plate is ' d '. A metal sheet of thickness (d)/(2) and of area equal to area of each plate is

JEE Main 2022 Solution View → 91

The equivalent capacitance between points A and B in below shown figure will be _____ .

JEE Main 2022 Solution View → 92

If the charge on a capacitor is increased by 2C , the energy stored in it increases by 44 % . The original charge on the capacitor is (in C )

JEE Main 2022 Solution View → 93

A parallel plate capacitor is formed by two plates each of area 30π cm ^ 2 separated by 1mm . A material of dielectric strength 3 . 6 × 10 ^ 7 V m ^ - 1 is filled between the

JEE Main 2022 Solution View → 94

In the circuit shown below, the switch S is connected to position P for a long time so that the charge on the capacitor becomes q_ 1 μ C . Then S is switched to position Q . After

JEE Advanced 2021 Solution View → 95

In the circuit shown below, the switch S is connected to position P for a long time so that the charge on the capacitor becomes q_ 1 μ C . Then S is switched to position Q . After

JEE Advanced 2021 Solution View → 96

A capacitor is connected to a 20V battery through a resistance of 10Ω . It is found that the potential difference across the capacitor rises to 2V in 1μ s . The capacitance of the

JEE Main 2021 Solution View → 97

A parallel plate capacitor of capacitance 200 is connected to a battery of 200V . A dielectric slab of dielectric constant 2 is now inserted into the space between plates of

JEE Main 2021 Solution View → 98

A capacitor of 50 is connected in a circuit as shown in figure. The charge on the upper plate of the capacitor is _________ .

JEE Main 2021 Solution View → 99

Three capacitors C _ 1 = 2 , C _ 2 = 6 and C _ 3 = 12 are connected as shown in the figure. Find the ratio of the charges on capacitors C _ 1 , C _ 2 and C _ 3 respectively.

JEE Main 2021 Solution View → 100

Calculate the amount of charge on capacitor of 4μ F . The internal resistance of battery is 1Ω:

JEE Main 2021 Solution View → 101

A parallel-plate capacitor with plate area A has separation d between the plates. Two dielectric slabs of dielectric constant K _ 1 and K _ 2 of same area (A)/(2) and thickness

JEE Main 2021 Solution View → 102

The material filled between the plates of a parallel plate capacitor has resistivity 200Ωm . The value of capacitance of the capacitor is 2pF . If a potential difference of 40V is

JEE Main 2021 Solution View → 103

A capacitor of capacitance C = 1 is suddenly connected to a battery of 100V through a resistance R = 100Ω . The time taken for the capacitor to be charged to get 50V is: (Take ln2

JEE Main 2021 Solution View → 104

In the reported figure, a capacitor is formed by placing a compound dielectric between the plates of parallel plate capacitor. The expression for the capacity of the said

JEE Main 2021 Solution View → 105

Two capacitors of capacities 2C and C are joined in parallel and charged up to potential V . The battery is removed and the capacitor of capacity C is filled completely with a

JEE Main 2021 Solution View → 106

If q _ f is the free charge on the capacitor plates and q _ b is the bound charge on the dielectric slab of dielectric constant k placed between the capacitor plates, then bound

JEE Main 2021 Solution View → 107

A parallel plate capacitor with plate area ' A ' and distance of separation ' d ' is filled with a dielectric. What is the capacity of the capacitor when

JEE Main 2021 Solution View → 108

A parallel plate capacitor has plate area 100 m ^ 2 and plate separation of 10m . The space between the plates is filled up to a thickness 5m with a material of dielectric

JEE Main 2021 Solution View → 109

A 2 capacitor C _ 1 is first charged to a potential difference of 10V using a battery. Then the battery is removed and the capacitor is connected to an uncharged capacitor C _ 2

JEE Main 2021 Solution View → 110

Four identical rectangular plates with length, l = 2cm and breadth, b = (3)/(2)cm are arranged as shown in figure. The equivalent capacitance between A and C is x ε _ 0 d . The

JEE Main 2021 Solution View → 111

A parallel plate capacitor whose capacitance C is 14pF is charged by a battery to a potential difference V = 12V between its plates. The charging battery is now disconnected and a

JEE Main 2021 Solution View → 112

In a parallel plate capacitor set up, the plate area of capacitor is 2 m ^ 2 and the plates are separated by 1m . If the space between the plates are filled with a dielectric

JEE Main 2021 Solution View → 113

For changing the capacitance of a given paralle plate capacitor, a dielectric material of dielectric constant K is used, which has the same area as the plates of the capacitor.

JEE Main 2021 Solution View → 114

Consider the combination of two capacitors C _ 1 and C _ 2 , with C _ 2 > C _ 1 , when connected in parallel, the equivalent capacitance is 10 times the equivalent capacitance of

JEE Main 2021 Solution View → 115

Two equal capacitors are first connected in series and then in parallel. The ratio of the equivalent capacities in the two cases will be:

JEE Main 2021 Solution View → 116

For the given input voltage waveform V _ in ( t ) , the output voltage waveform V _ 0 ( t ) , across the capacitor is correctly depicted by :

JEE Main 2020 Solution View → 117

Suppose that intensity of a laser is ((315)/(π))W m ^ - 2 . The rms electric field, in units of V m ^ - 1 associated with this source is close to the nearest integer is - ( ε _ 0

JEE Main 2020 Solution View → 118

In the circuit shown, charge on the 5 capacitor is :

JEE Main 2020 Solution View → 119

A parallel plate capacitor has plate of length l , width w and separation of plates is d . It is connected to a battery of emf V . A dielectric slab of the same thickness d and of

JEE Main 2020 Solution View → 120

Two capacitors of capacitances C and 2C are charged to potential differences V and 2V , respectively. These are then connected in parallel in such a manner that the positive

JEE Main 2020 Solution View →
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Capacitance in other exams

NEET Capacitance (238)BITSAT Capacitance (18)