AB is a wire of uniform resistance. The galvanometer G shows no current when the length AC = 20 cm and CB = 80 cm. The resistance R is equal to - VgyanHub

Question:

AB is a wire of uniform resistance. The galvanometer G shows no current when the length AC = 20 cm and CB = 80 cm. The resistance R is equal to

Options :

a)2 Ω
b)8Ω
c) 20Ω
d)40Ω

Answer :

c) 20Ω

Answer Steps :

Step:-1

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