Question

Two thin wires rings each having a radius R are placed at a distance d apart with their axes coinciding. The charges on the two rings are +q and –q. The potential difference between the centres of the two rings is​

Answer 1

Q/4πε0 [1/R - 1/√R2+d2]

Step-by-step explanation:

Q/4πε0 [1/R - 1/√R2+d2] is the answer

explanation is attached.

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