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A metal sphere A of radius R has a charg...

A metal sphere A of radius R has a charge of Q on it .The field at a point B outside the sphere is E. Now another sphere of radius R having a charge -3Q is placed at point B. The total field at a point mid-way between A and B due to both sphere is-

A

4E

B

8E

C

12E

D

16E

Text Solution

Verified by Experts

The correct Answer is:
D
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