Electrostatic Shielding
Trending Questions
Q. A charge q is placed at point O in a cavity in a spherical uncharged conductor. Point S is outside the conductor. If q is displaced from O towards S such that it is still inside the cavity, then electric field at S will
- decrease
- increase
- first increase and then decrease
- remain unchanged
Q. Figure shows a conductor with cavity inside it. Charge Q is kept inside cavity. a, b and c are 3 points as shown in figure. Choose the correct option(s).
- Field at point 'a' due to induced charges is zero.
- Field at point 'b' due to induced charges is zero.
- Field at point 'c' due to induced charges on outer surface of conductor is zero.
- Field at point 'a' due to Q and induced charges on inner surface of conductor is zero.
Q. Figure shows a neutral conductor (random shape) having spherical cavity. A charge Q is placed symmertrically at the center of cavity choose the correct statement(s)
- The induced charges appearing on S1 are uniformly distributed.
- The induced charges appearing on S1 are non-uniformly distributed.
- No charges appear on surface S2.
- →E due to S1 and Q is zero at point P.