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NEET Current Electricity PYQs with Solutions

563 previous year questions from Current Electricity (NEET UG Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

563 questionsPhysics2001–2026Answers + solutions

About Current Electricity PYQs

Current Electricity has 563 previous year questions in the Quantrex Academy NEET UG Physics bank. The 220 questions in this list come from NEET (80), JIPMER (60), AIIMS (58) and 1 other source, spanning 2001 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: 28
  • 2025: 3
  • 2024: 8
  • 2023: 9
  • 2022: 8
  • 2021: 4
  • 2020: 8
  • 2019: 13
  • 2018: 13
  • 2017: 9
  • 2016: 13
  • 2015: 13

Current Electricity questions with solutions

1

A potentiometer wire of 400\ cm length has a resistance of 20\ Ω . It is connected in series with a resistance of 15\ Ω and a accumulator of EMF 6\ V (negligible internal

MHT CET Medical 2026 Solution View → 2

In the following figure current I equal to

MHT CET Medical 2026 Solution View → 3

The range of voltmeter is 10\ V and its resistance is 50\ Ω . To convert it to a voltmeter of range 15\ V , how much resistance is to be added?

MHT CET Medical 2026 Solution View → 4

When a galvanometer is shunted with a 2\ Ω resistance, the deflection is reduced to one-fourth. If the galvanometer is further shunted with a 1\ Ω resistance, the further

MHT CET Medical 2026 Solution View → 5

A galvanometer can be converted into a voltmeter of certain range by connecting a resistance of 990\ Ω in series with it. When the resistance of 480\ Ω is connected in series, the

MHT CET Medical 2026 Solution View → 6

A resistance is to be measured using a meter bridge; the student chooses the standard resistance R to be 100\ Ω . The student finds the null point at l_1=16 cm. To get the null

MHT CET Medical 2026 Solution View → 7

Which of the following statements is FALSE? A. In a balanced Wheatstone bridge, if the cell and the galvanometer are exchanged, the null point is disturbed. B. A rheostat can be

MHT CET Medical 2026 Solution View → 8

A potentiometer wire has length 4 m and resistance 8\ Ω . The resistance that must be connected in series with the wire and the driving battery of e.m.f. 2 V, so as to get a

MHT CET Medical 2026 Solution View → 9

In a potentiometer experiment, the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2\ Ω , the balancing length becomes 120 cm. The internal

MHT CET Medical 2026 Solution View → 10

In Wheatstone bridge, resistance P is formed by a parallel combination of p_1 and p_2 . The Q resistance is formed by a parallel combination of q_1 and q_2 . The remaining two

MHT CET Medical 2026 Solution View → 11

A galvanometer of resistance ' G ', is shunted by a resistance ' S ' ohm. To keep the main current in the circuit unchanged, the resistance to be put in series with the

MHT CET Medical 2026 Solution View → 12

The equivalent resistance of the following circuit is nearly

MHT CET Medical 2026 Solution View → 13

When a galvanometer is shunted by a resistance S, its current capacity increases n times. If the same galvanometer is shunted by another resistance S', its current capacity will

MHT CET Medical 2026 Solution View → 14

An ammeter of resistance R give a full scale deflection when a current of 3\ A passes through it. If it is to measure maximum current of 10\ A , the shunt required is

MHT CET Medical 2026 Solution View → 15

Let ' A ' be the cross-sectional area and ' ρ ' be the specific resistance of a potentiometer wire. If ' I ' is the current passing through the wire, then the potential gradient

MHT CET Medical 2026 Solution View → 16

In a Wheatstone's network P ≠ R , the reading of the galvanometer is the same with a switch 'S' open or closed. Then

MHT CET Medical 2026 Solution View → 17

A galvanometer of resistance 90\ Ω is shunted by a resistance of 10\ Ω . The fraction of main current that passes through shunt is

MHT CET Medical 2026 Solution View → 18

An unknown resistance wire in the left gap of a meter bridge balances a 10\ Ω resistance in the right gap at a point that divides the bridge wire in a ratio 3:2 . If the length of

MHT CET Medical 2026 Solution View → 19

In a Wheatstone's bridge, three resistance 'Q', 'R' and 'S' are connected in three arms and first arm is formed by three resistances ' P_1 ', ' P_2 ' and ' P_3 ' in parallel. The

MHT CET Medical 2026 Solution View → 20

A galvanometer having a coil resistance of 100\ Ω gives a full scale deflection when a current of 1 mA is passed through it. The value of the resistance which can convert this

MHT CET Medical 2026 Solution View → 21

In a Wheatstone's metre bridge, resistances R and S are connected in left and right gap, null point is obtained as l . After interchanging the resistances in the gaps, null point

MHT CET Medical 2026 Solution View → 22

A closed loop consists of a 15\ V battery, a 5\ V battery (opposing the first), and a 25\ Ω resistor. The current through the loop is

MHT CET Medical 2026 Solution View → 23

A galvanometer of resistance 100\ Ω gives full scale deflection for a current of 1 mA. It is converted into an ammeter of range 0 - 10 A. The shunt required is :

NEET 2026 Solution View → 24

A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximately) ?

NEET 2026 Solution View → 25

A resistor is connected to a battery of 12 V emf and internal resistance 2\ Ω . If the current in the circuit is 0.6 A, the terminal voltage of the battery is :

NEET 2026 Solution View → 26

Consider two circuits, (A) and (B), each having two resistors. One of them has a positive temperature coefficient of resistance, +α , while the other one has a negative

NEET 2026 Solution View → 27

A uniform metallic wire having resistance 4\ Ω is bent to form a square loop (ABCD) (see figure). A resistance of 2\ Ω is connected between points B and D and a battery of 2 V is

NEET 2026 Solution View → 28

In a metre bridge experiment (see figure), the positions of the cell, E , and galvanometer, G , are interchanged. We shall observe in the galvanometer :

NEET 2026 Solution View → 29

A wire of resistance R is cut into 8 equal pieces. From these pieces two equivalent resistances are made by adding four of these together in parallel. Then these two sets are

NEET 2025 Solution View → 30

The current passing through the battery in the given circuit, is :

NEET 2025 Solution View → 31

A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :-

NEET 2025 Solution View → 32

A uniform wire of diameter d carries a current of 100 mA when the mean drift velocity of electrons in the wire is v . For a wire of diameter (d)/(2) of the same material to carry

NEET 2024 Solution View → 33

In an electrical circuit, the voltage is measured as V=(200 ± 4) volt and the current is measured as I=(20 ± 0.2) A . The value of the resistance is:

NEET 2024 Solution View → 34

The given circuit shows a uniform straight wire A B of 40 cm length fixed at both ends. In order to get zero reading in the galvanometer G , the free end of J is to be placed from

NEET 2024 Solution View → 35

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Houses made of concrete roofs overlaid with foam keep the room

NEET 2024 Solution View → 36

A uniform metal wire of length / has 10 Ω resistance. Now this wire is stretched to a length 2 / and then bent to form a perfect circle. The equivalent resistance across any

NEET 2024 Solution View → 37

The terminal voltage of the battery, whose emf is 10 V and internal resistance 1 Ω , when connected through an external resistance of 4 Ω as shown in the figure is:

NEET 2024 Solution View → 38

A wire of length ' 1 and resistance 100 Ω is divided into 10 equal parts. The first 5 parts are connected in series while the next 5 parts are connected in parallel. The two

NEET 2024 Solution View → 39

Choose the correct circuit which can achieve the bridge balance.

NEET 2024 Solution View → 40

On the basis of electrical conductivity, which one of the following material has the smallest resistivity?

NEET 2023 Solution View → 41

A copper wire of radius 1 ~mm contains 10^ 22 free electrons per cubic metre. The drift velocity for free electrons when 10 ~A current flows through the wire will be (Given

NEET 2023 Solution View → 42

The emf of a cell having internal resistance 1 Ω is balanced against a length of 330 ~cm on a potentiometer wire. When an external resistance of 2 Ω is connected across the cell

NEET 2023 Solution View → 43

If the galvanometer G does not show any deflection in the circuit shown, the value of R is given by:

NEET 2023 Solution View → 44

Resistance of a carbon resistor determined from colour codes is ( 22000 ± 5 % ) Ω . The colour of the third band must be :

NEET 2023 Solution View → 45

The magnitude and direction of the current in the following circuit is

NEET 2023 Solution View → 46

10 resistors, each of resistance R are connected in series to a battery of emf E and negligible internal resistance. Then those are connected in parallel to the same battery, the

NEET 2023 Solution View → 47

A certain wire A has resistance 81 Ω . The resistance of another wire B of same material and equal length but of diameter thrice the diameter of A will be

NEET 2023 Solution View → 48

The resistance of platinum wire at 0 ° C is 2Ω and 6 . 8Ω at 80 ° C . The temperature coefficient of resistance of the wire is:

NEET 2023 Solution View → 49

A cell of emf 4 ~V and internal resistance 0.5 Ω is connected to a 7.5 Ω external resistance. The terminal potential difference of the cell is:

NEET 2022 Solution View → 50

The equivalent resistance of the infinite network given below is:

NEET 2022 Solution View → 51

The reciprocal of resistance is:

NEET 2022 Solution View → 52

The sliding contact C is at one fourth of the length of the potential wire (A B) from A as shown in the circuit diagram. If the resistance of the wire A B is R_0 , then the

NEET 2022 Solution View → 53

As the temperature increases, the electrical resistance

NEET 2022 Solution View → 54

Two resistors of resistance, 100Ω and 200Ω are connected in parallel in an electrical circuit. The ratio of the thermal energy developed in 100Ω to that in 200Ω in a given time is

NEET 2022 Solution View → 55

A Wheatstone bridge is used to determine the value of unknown resistance X by adjusting the variable resistance Y as shown in the figure. For the most precise measurement of X

NEET 2022 Solution View → 56

A copper wire of length 10m and radius ( 10 ^ - 2 π )m has electrical resistance of 10Ω . The current density in the wire for an electric field strength of 10V m ^ - 1 is:

NEET 2022 Solution View → 57

In a potentiometer circuit a cell of EMF 1 . 5V gives balance point at 36cm length of wire. If another cell of EMF 2 . 5V replaces the first cell, then at what length of the wire

NEET 2021 Solution View → 58

The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is 0 . 25Ω . What will be the

NEET 2021 Solution View → 59

Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column - II gives some mathematical relations involving electrical

NEET 2021 Solution View → 60

Three resistors having resistances r _ 1 , r _ 2 and r _ 3 are connected as shown in the given circuit. The ratio i _ 3 i _ 1 of currents in terms of resistances used in the

NEET 2021 Solution View → 61

For the circuit shown in the figure, the current I will be

NEET 2020 Solution View → 62

For the circuit given below, the Kirchhoff's loop rule for the loop BCDEB is given by the equation

NEET 2020 Solution View → 63

The equivalent resistance between A and B for the mesh shown in the figure is

NEET 2020 Solution View → 64

Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper?

NEET 2020 Solution View → 65

The colour code of a resistance is given below The values of resistance and tolerance, respectively, are

NEET 2020 Solution View → 66

A resistance wire connected in the left gap of a metre bridge balances a 10Ω resistance in the right gap at a point which divides the bridge wire in the ratio 3: 2 . If the length

NEET 2020 Solution View → 67

A charged particle having drift velocity of 7.5 × 10 ^ - 4 m s ^ - 1 in an electric field of 3 × 10 ^ - 10 V m ^ - 1 , has a mobility in m ^ 2 V ^ – 1 s ^ – 1 of:

NEET 2020 Solution View → 68

Two solid conductors are made up of same material, have same length and same resistance. One of them has a circular cross section of area A _ 1 and the other one has a square

NEET 2020 Solution View → 69

Assertion : If the length of the conductor is doubled, the drift velocity will become half of the original value (keeping potential difference unchanged). Reason : At constant

AIIMS 2019 Solution View → 70

Assertion : A 60 ~W-220 ~V bulb glows more than a 100 ~W-220 ~V bulb when they are connected in series across a potential difference. Reason : When they are connected in series

AIIMS 2019 Solution View → 71

The current density in a solid cylindrical wire of radius R , as a function of radial distance r is given by J(r)=J_0(1-(r)/(R)) . The total current in the radial region r=0 to

AIIMS 2019 Solution View → 72

If resistivity of copper is 1.72 × 10^ -8 Ω-m and number of free electrons in copper is 8.5 × 10^ 28 / m^3 . Find the mobility.

JIPMER 2019 Solution View → 73

In the given circuit, if power rating of heater is 1000 Watt at 100 Volt, find the resistance R in figure so that heater produces power of 62.5 W.

JIPMER 2019 Solution View → 74

A galvanometer of 50 Ω resistance has 25 divisions. A current of 4 × 10^ -4 A gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of

JIPMER 2019 Solution View → 75

Find the current in the 8 Ω resistance in the given circuit.

JIPMER 2019 Solution View → 76

A circuit contain two resistance R_1 and R_2 in series. Find the ratio of input voltage to voltage of R_2 .

JIPMER 2019 Solution View → 77

In the given circuit, find voltage across 12 Ω resistance.

JIPMER 2019 Solution View → 78

The reading of an ideal voltmeter in the circuit shown is

NEET 2019 Solution View → 79

The meter bridge shown in the balance position with P Q = l_1 l_2 . If we now interchange the positions of galvanometer and cell, will the bridge work? If yes, that will be

NEET 2019 Solution View → 80

In the circuits shown below, the readings of the voltmeters and the ammeters will be,

NEET 2019 Solution View → 81

Six similar bulbs are connected as shown in the figure with a DC source of emf E , and zero internal resistance. The ratio of power consumption by the bulbs when (i) all are

NEET 2019 Solution View → 82

A galvanometer of resistance 100 Ω is converted to a voltmeter of range 10 ~V by connecting a resistance of 10 k Ω . The resistance required to convert the same galvanometer to an

AIIMS 2018 Solution View → 83

In the circuit shown, the current through the 5 Ω resistor is

AIIMS 2018 Solution View → 84

Assertion : A current flows in a conductor only when there is an electric field within the conductor. Reason : The drift velocity of electron in presence of electric field

AIIMS 2018 Solution View → 85

In a potentiometer experiment of a cell of emf 1.25 ~V gives balancing length of 30 ~cm . If the cell is replaced by another cell, balancing length is found to be 40 ~cm . What is

AIIMS 2018 Solution View → 86

Find V_P-V_Q in the circuit shown in figure.

JIPMER 2018 Solution View → 87

Find i in shown figure

JIPMER 2018 Solution View → 88

Find current (i) in circuit shown in figure.

JIPMER 2018 Solution View → 89

Find R_ net between A and B .

JIPMER 2018 Solution View → 90

A current i is flowing through the wire of diameter (d) having drift velocity of electrons v_ d in it. What will be new drift velocity when diameter of wire is made d / 4 ?

JIPMER 2018 Solution View → 91

A carbon resistor of (47 ± 4.7)kΩ is to be marked with rings of different colours for its identification. The colour code sequence will be:

NEET 2018 Solution View → 92

A set of n equal resistances, of value R each, are connected in series to a battery of emf E and internal resistances R . The current drawn is I . Now, the n resistance are

NEET 2018 Solution View → 93

A battery consists of a variable number 'n' of identical cells (having internal resistance 'r' each) which are connected in series. The terminals of the battery

NEET 2018 Solution View → 94

Current sensitivity of a moving coil galvanometer is 5div / mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20div / V . The resistance of the

NEET 2018 Solution View → 95

Assertion : An electrical bulb starts glowing instantly as it is switched on. Reason : Drift speed of electrons in a metallic wire is very large.

AIIMS 2017 Solution View → 96

A meter bridge is set-up as shown, to determine an unknown resistance X using a standard 10 ohm resistor. The galvanometer shows null point when tapping-key is at 52 ~cm mark. The

AIIMS 2017 Solution View → 97

The measurement of voltmeter in the following circuit is

AIIMS 2017 Solution View → 98

A and B are two points on a uniform ring of resistance R . The ∠ A C B=θ , where C is the centre of the ring. The equivalent resistance between A and B is

AIIMS 2017 Solution View → 99

To reduce the range of voltmeter, its resistance need to be reduced. A voltmeter has resistance R_0 and range V . Which of the following resistances when connected in parallel

JIPMER 2017 Solution View → 100

You are given resistance wire of length 50 cm and a battery of negligible resistance. In which of the following cases is largest amount of heat generated?

JIPMER 2017 Solution View → 101

N lamps each of resistance r , are fed by a machine of resistance R . If light emitted by any lamp is proportional to the square of the heat produced, prove that the most

JIPMER 2017 Solution View → 102

The resistance of a wire is R ohm. If it is melted and stretched to n times its original length, its new resistance will be

NEET 2017 Solution View → 103

A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves:

NEET 2017 Solution View → 104

Ten identical cells each of potential E and internal resistance r are connected in series to form a closed circuit. An ideal voltmeter connected across three cells, will read

AIIMS 2016 Solution View → 105

On increasing the temperature of a conductor, its resistance increases because the

AIIMS 2016 Solution View → 106

A steady current flows in a metallic conductor of non-uniform cross-section. Which of these quantities is constant along the conductor?

AIIMS 2016 Solution View → 107

A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt, the extra resistance required is

AIIMS 2016 Solution View → 108

Two batteries of emf 3 V and 6 V with internal resistances 2 Ω and 4 Ω are connected in a circuit with resistance of 10 Ω as shown in figure. The current and potential difference

JIPMER 2016 Solution View → 109

A rod made up of metal is 1.2 m long and 0.8 cm in diameter. Its resistance is 3.5 × 10^ -3 Ω . Another disc made of the same metal is 2.0 cm in diameter and 1.25 mm thick. What

JIPMER 2016 Solution View → 110

A galvanometer of resistance 25 Ω shows a deflection of 5 divisions when a current of 2 mA is passed through it. If a shunt of 4 Ω is connected and there are 20 divisions on the

JIPMER 2016 Solution View → 111

The length of a given cylindrical wire is increased by 150 \% . Due to the consequent decrease in diameter the change in the resistance of the wire will be

JIPMER 2016 Solution View → 112

In the given figure, potential difference between A and B is

JIPMER 2016 Solution View → 113

The potential difference ( V _ A - V _ B ) between the points A and B in the given figure is

NEET 2016 Solution View → 114

A filament bulb ( 500W, 100V ) is to be used in a 230V main supply. When a resistance, R is connected in series, it works perfectly and the bulb consumes 500W . The value of R is

NEET 2016 Solution View → 115

The charge flowing through a resistance R varies with time t as Q = at - bt^ 2 where a and b are positive constants. The total heat produced in R is:

NEET 2016 Solution View → 116

A potentiometer wire is 100cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite

NEET 2016 Solution View → 117

What is the equivalent resistance between A and B in given figure?

AIIMS 2015 Solution View → 118

When a current is passed in a conductor, 5^ ∘ C rise in temperature is observed. If the strength of current is made thrice, rise in temperature will be

AIIMS 2015 Solution View → 119

A wire of resistance 10 Ω is bent to form a complete circle. Find its resistance between two diametrically opposite point.

JIPMER 2015 Solution View → 120

Find the resistance of a hollow cylindrical conductor of length 1.0 mm and 2.0 mm respectively. The resistivity of the material is 2.0 × 10^ -8 Ω m .

JIPMER 2015 Solution View →
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