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The insulation property of air breaks do...

The insulation property of air breaks down at `E=3xx10^6 '(vo l t)/(metre)`. The maximum charge that can be given to a sphere of diameter 5 m is approximately (in coulomb)

A

`2xx10^-2`

B

`2xx10^-4`

C

`2xx10^-3`

D

`2xx10^-5`

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TARGET PUBLICATION-ELECTROSTATICS-EXCERCISE
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