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IMPORTANT
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An uncharged sphere of metal is placed in a uniform electric field produced by two large conducting parallel plates having equal and opposite charges, then lines of force look like

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Important Questions on Electrostatics

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JEE Main/Advance
IMPORTANT

Two small conductors A and B are given charges q1 and q2, respectively. Now they are placed inside a hollow metallic conductor (C) carrying a charge QQ. If all the three conductors A, B and C are connected by conducting wires as shown, the charges on A, B and C will be respectively

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JEE Main/Advance
IMPORTANT
You are travelling in a car during a thunderstorm. In order to protect yourself from lightning, would you prefer to: 
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JEE Main/Advance
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A positively charged body A has been brought near a neutral brass sphere B mounted on a glass stand as shown in the figure. The potential of B will be: 

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MEDIUM
JEE Main/Advance
IMPORTANT

The amount of work done by electric field in joules in carrying a charge +q along the closed path PQRSP between the oppositely charged metal plates is  (where, E is electric field between the plates) 

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MEDIUM
JEE Main/Advance
IMPORTANT

Figure shows a closed surface which intersects a conducting sphere. If a positive charge is placed at the point P, the flux of the electric field through the closed surface: 

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JEE Main/Advance
IMPORTANT

An ellipsoidal cavity is carved within a perfect conductor. A positive charge q is placed at the centre of the cavity. The points A and B are on the cavity surface as shown in the figure. 

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MEDIUM
JEE Main/Advance
IMPORTANT
A battery sets up an electric field of 25 N C-1 inside a uniform wire of length 2 m and resistance of 5 Ω. Find the current through the wire.
EASY
JEE Main/Advance
IMPORTANT

The figure shows the current I in a single-loop circuit with a battery B and resistance R (and wires of negligible resistance). Then find the order of following at the point a, b and c.

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(a) The magnitude of the current,

(b) The electric potential, and

(c) The electric potential energy of the charge carriers (electron), the greatest first.