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A metallic sphere has a charge of 10 mu ...

A metallic sphere has a charge of `10 mu C`. A unit negative charge is brought from `A` to `B` both `100 cm` away from the sphere but `A` being east of it while `B` being on west. The net work done is

A

1/5 ergs

B

`-1//10` ergs

C

2/50 ergs

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D

Equipotential surface so work done =0.
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NARAYNA-ELECTRIC CHARGES AND FIELDS-EXERCISE -2 (C.W.)
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