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The dielectric strength of air at NTP is $$3\times 10^{6}V/m$$ then the maximum charge that can be given to a spherical conductor of radius 3 m is

A

$$3\times 10^{-4}C$$

B

$$3\times 10^{-3}C$$

C

$$3\times 10^{-2}C$$

D

$$3\times 10^{-1}C$$

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Solution

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Correct option is A. $$3\times 10^{-4}C$$

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