a posative charge q is placed in front of a conducting solid cube at a dis†an ce d from the center find the electric field at the center of cube due to charge appearing on it surface

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Q. A positive charge

q

is placed in front of a conducting solid cube of side

a

at distance

d

from its center. Find the electric field at the center of the cube due to the charges appearing on its surface.

A positive charge q is placed in front of a conducting solid cube at a distance d from its centre. Find the electric field at the centre of the cube due to the charges appearing on its surface.

Q. Assertion :A point charge

q

is placed in front of a solid conducting sphere. Electric field due to induced charges at the centre of sphere is zero. Reason: Electric field at point inside the solid body of conductor is zero.

Q. Consider a regular cube with positive point charge

+ Q

in all corners except for one which has a negative point charge

- Q

. Let the distance from any corner to the center of the cube be

r

. What is the magnitude of electric field at point

P

, the center of the cube?

Q. A charge

Q

is placed in front of a conducting sphere at a distance

2 r

from center of sphere as shown in the figure. Potential at point

P

on the surface of sphere due to induced charges is

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