A positive charge +q is placed at the centre of a hollow metallic sphere of inner radius a and outer radius b. the electric field at a distance r from the centre is denoted by E. In this regards, which one of the following statement is correct?

A positive charge +q is placed at the centre of a hollow metallic sphe

1.	A positive charge +q is placed at the centre of a hollow metallic sphere of inner radius a and outer radius b. the electric field at a distance r from the centre is denoted by E. In this regards, which one of the following statement is correct?
A.	E = 0 for a < r < b
B.	E = 0 for r < a
C.	E = q / 4πϵ0r for a < r < b>
D.	E = q / 4πϵ0r for r < a
Answer» B. E = 0 for r < a

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A positive charge +q is placed at the centre of a hollow metallic sphere of inner radius a and outer radius b. the electric field at a distance r from the centre is denoted by E. In this regards, which one of the following statement is correct?

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