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Questions  

A metallic sphere has a charge of 10 μC. 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
Zero
b
2/10 joule
c
−2/10 joule
d
−1/10 joule

detailed solution

Correct option is A

Since VA=VB so WA→B=0

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