Physics, asked by armghankayani10, 6 days ago

what will be the answer?

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Answered by sumit83610

1

Answer:

Resistors are in parallel combination

Equivalent resistance=1/r1+1/r2+1/r3=125

1/500+1/250+1/r3=125

1/r3+3/500=125

1/r3=1/500

r3=500

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