railway RRB JE (CBT I + CBT II) Mock Test 2024 Electromagnetic Theory Electrostatics

A metallic spherical shell has:

Radius = p

Charge = Q

What will be the potential energy (U) of the system?

1

U = Q²/4πϵ₀p

2

U = Q²/8πϵ₀p

3

U = Q²/2πϵ₀p

4

U = Q²/πϵ₀p

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