A hollow metallic sphere of radius R is given a charge Q. Then the potential at the cenre is : Options: A . &nbspzero B . &nbsp`(1)/(4 pi varepsilon_0) . Q/R` C . &nbsp`(1)/(4 pi varepsilon_0) .(2 Q)/(R)` D . &nbsp`(1)/(4 pi varepsilon_0) . (Q)/(2R)`

A hollow metallic sphe

Question -

A hollow metallic sphere of radius R is given a charge Q. Then the potential at the cenre is :

Options:

A . zero

B . `(1)/(4 pi varepsilon_0) . Q/R`

C . `(1)/(4 pi varepsilon_0) .(2 Q)/(R)`

D . `(1)/(4 pi varepsilon_0) . (Q)/(2R)`

Answer: Option B

Potential at the centre of a hollow metallic sphere .

V = `(1)/(4 pi varepsilon_0) . Q/R`

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