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If the intensity of electric field on the surface of a thin metallic charged spherical shell of radius 10 cm is 10 V/m, then potential at a distance 10 cm from the surface of the shell is

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a

1 volt

b

1.5 volt

c

1.2 volt

d

0.5 volt

answer is D.

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Detailed Solution

E=14π∈0QR2⇒Q4π∈0R=ERNow, V=14π∈0Q2R=12(Q4π∈0R)=12ER=12×10×0.1 V=0.5 V
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