Physics, asked by ishwari2288, 1 year ago

Question is given in the picture. please give step by step solution with explanation

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Answered by rajkumar707

1

Answer:

Using the wheat stone bridge condition

30Ω/40cm = R/60cm

R = 1.5 x 30Ω = 45Ω

R = 45Ω

Option c

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