Two identical thin rings each of radius R meters are coaxially placed at a distance R meters apart. If Q 1 coulomb and Q 2 coulomb are respectively the charges uniformly spread on the two rings, the work done in moving a charge q from the center of one ring to that of other is
A
Zero
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
where 
and 
⇒ ⇒ 
So, 
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