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BITSAT Electrostatics PYQs with Solutions

36 previous year questions from Electrostatics (BITSAT Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

36 questionsPhysics2009–2024Answers + solutions

About Electrostatics PYQs

Electrostatics has 36 previous year questions in the Quantrex Academy BITSAT Physics bank. The 36 questions in this list come from BITSAT (36), spanning 2009 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

BITSAT Electrostatics PYQs with Solutions

About Electrostatics PYQs

Questions by year (this list)

Electrostatics questions with solutions

An oil drop of radius 1 μ m is held stationary under a constant electric field of 3.65 × 10^4 N / C due to some excess electrons presence on it. If the density of oil drop is 1.26

The potential of a large liquid drop when eight liquid drops are combined is 20 V , then the potential of each single drop was

A dust particle of mass 4 × 10^ -12 mg in suspended in air under the influence of an electric field of 50 N / C directed vertically upwards. How many electrons were removed from

Electric field at point (30,30,0) due to a charge of 0.008 μ C placed at origin will be, (coordinates are in cm )

If two charges q_1 and q_2 are separated with distance ' d ' and placed in a medium of dielectric constant K . What will be the equivalent distance between charges in air for the

Electric potential at a point 'P' due to a point charge of 5 × 10^ -9 C is 50 V. The distance of ' P ' from the point charge is: (Assume, (1)/(4 π ε_0)=9 × 10^ +9 Nm^2 C^ -2 )

Five charges +q,+5 q,-2 q,+3 q and -4 q are situated as shown in the figure, The electric flux due to this configuration through the surface S is :

In a cuboid of dimension 2 L × 2 L × L , a charge q is placed at the centre of the surface ' S ' having area of 4 L^2 . The flux through the opposite surface to ' S ' is given by

The force between two small charged spheres having charges of 1 × 10^ -7 C and 2 × 10^ -7 C placed 20 cm apart in air is

Which one of the following graphs represents the variation of electric potential with distance r from the centre of a non-conducting charged sphere of radius R ?

The electric potential V is given as a function of distance ×( metre ) by V= (5 x^ 2 +10 x-4) volt. Question: Value of electric field at x=1 m is

A charge Q is placed at each of the opposite corners of a square. A charge q is placed at each of the other two corners. If the net electrical force on Q is zero, then (Q)/(q)

Three charge q, Q and 4q are placed in a straight line of length l at points distant 0, (1)/(2) and l respectively from one end. In order to make the net froce on q zero, the

A charge +q is at a distance L / 2 above a square of side L . Then what is the flux linked with the surface?

In the following figures, which figure represents the variation of the electric field with distance from the centre of a uniformly charged non-conducting spheres of radius R & ?

Two metal plates having a potential difference of 800V are 2 cm apart. It is found that a particle of mass 1. 96 × 10 ^ - 15 kg remains suspended in the region between the plates.

Three charges are placed at the three vertices of an equilateral triangle of side a as shown in the figure. The force experienced by the charge placed at the vertex A in a

The surface charge density of a thin charged disc of radius R is σ . The value of the electric field at the centre of the disc is σ 2 ε_ 0 . With respect to the field at the

Two identical charged spheres suspended from a common point by two massless strings of lengths I, are initially at a distance d (d< < 1) apart because of their mutual repulsion.

A solid sphere of radius R has a charge Q distributed in its volume with a charge density ρ=k r^ a , where k and a are constants and r is the distance from its centre. If the

At the corners of an equilateral triangle of side a (1 metre), three point charges are placed (each of 0.1 C ). If this system is supplied energy at the rate of 1 kw, then

A spherically symmetric gravitational system of particles has a mass density ρ=\ array ll ρ_ 0 & for r ≤ R 0 & for r > R array . where r_ 0 is a constant. A test mass can undergo

Two point dipoles p k and p 2 k are located at (0,0,0) and (1 m, 0,2 m) respectively. The resultant electric field due to the two dipoles at the point (1 m, 0,0) is

Electric field in theregion is given by E=( M ^ 3 ) i , then the correct expression for the potential in the region is [assume potential at infinity is zero]

Two long coaxial and conducting cylinders of radius a and b are separated by a material of conductivity σ and a constant potential difference V is maintained between them, by a

Three equal charges (q) are placed at corners of an equilateral triangle of side a . The force on any charge is

In a region of space having a uniform electric field E , a hemispherical bowl of radius r is placed. The electric flux φ through the bowl is

The electric field intensity just sufficient to balance the earth's gravitational attraction on an electron will be: (given mass and charge of an electron respectively are 9.1 ×

In an uniformly charged sphere of total charge Q and radius R, the electric field E is plotted as function of distance from the centre. The graph which would correspond to the

A charge Q_ 1 exerts some force on a second charge Q_ 2 . If a 3 rd charge Q_ 3 is brought near, then the force of Q_ 1 exerted on Q_ 2 -

A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V . The potential at a distance of 2 cm from the centre of the sphere is

A charge +q is at a distance L / 2 above a square of side L . Then what is the flux linked with the surface?

Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 × 10^ -2 C and 5 × 10^ -2 C , respectively. If these are connected by a conducting wire, the final charge on

In a region, the potential is represented by V(x, y, z)=6 x-8 xy-8 y+6 yz, where V is in volts and x, y, z are in metres. The electric force experienced by a charge of 2 coulomb

If an electron has an initial velocity in a direction different from that of an electric field, the path of the electron is

If on combining two charged bodies, the current does not flow then

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