EASY
12th CBSE
IMPORTANT
Earn 100

A thin metallic spherical shell of radius R carries a charge Q on its surface. A point charge Q2 is placed at its centre C and another charge +2Q is placed outside the shell at a distance X from the centre as shown in Fig. 1.125.

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Find the electric flux through the shell.

Important Questions on Electric Charges and Field

EASY
12th CBSE
IMPORTANT
Two thin concentric and coplanar spherical shells, of radii a and b (b>a) carry charges, q and Q respectively. Find the magnitude of the electric field, at a point distant x, from their common centre for 0<x<a.
MEDIUM
12th CBSE
IMPORTANT
Two thin concentric and coplanar spherical shells, of radii a and b (b>a) carry charges, q and Q respectively. Find the magnitude of the electric field, at a point distant x, from their common centre for ax<b.
EASY
12th CBSE
IMPORTANT
Two thin concentric and coplanar spherical shells, of radii a and b (b>a) carry charges, q and Q respectively. Find the magnitude of the electric field, at a point distant x, from their common centre for bx<.
EASY
12th CBSE
IMPORTANT
A spherical rubber balloon carries a charge that is uniformly distributed over its surface. As the balloon is blown up how does E vary for points inside the balloon?
MEDIUM
12th CBSE
IMPORTANT
A spherical rubber balloon carries a charge that is uniformly distributed over its surface. As the balloon is blown up how does E vary for points on the surface of the balloon?
EASY
12th CBSE
IMPORTANT
A spherical rubber balloon carries a charge that is uniformly distributed over its surface. As the balloon is blown up how does E vary for points outside the balloon?
EASY
12th CBSE
IMPORTANT
A metallic spherical shell has an inner radius R1 and outer radius R2· A charge Q is placed at the centre of the spherical cavity. What will be the surface charge density on the inner surface?
EASY
12th CBSE
IMPORTANT
A metallic spherical shell has an inner radius R1 and outer radius R2· A charge Q is placed at the centre of the spherical cavity. What will be the surface charge density on the outer surface?