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Standard XII
Physics
Question

Two identical thoin rings, each of radius R, are coaxially placed a distance √3R apart. If both the ring having equal charges which is uniformly spread over the rings, what will be the work done in moving a charge q from the center of one ring that of the other :
  1. KQq2R
  2. KQqR
  3. −KQq2R
  4. Zero

A
Zero
B
−KQq2R
C
KQqR
D
KQq2R
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