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Question

Physics Question on Current electricity

When 2 equal resistances are connected in parallel to the poles of a cell of negligible internal resistance, the power developed is P. When the same resistances are connected in series across the same cell, the power developed is

A

P

B

P/2

C

P/4

D

4 P

Answer

P/4

Explanation

Solution

P = V2R\frac{V^2}{R}