Question

The two thin coaxial rings, each of radius a and having charges +Q and -Q respectively are separated by a distance of s. The potential difference between the centres of the two rings is O 1 1 O 1 1 (a) (b) 2περ α 2 +d2 4πεο α ✓ 52 +d2 O 1 + 1 O 1 1 (c) (d) + 4περα 32 +a? 0 2περα a ✓ s2 +a2​

Answer 1

Explanation:

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