Physics, asked by prakhersrivastava27, 8 months ago

a piece of wire of resistance 20 ohm is drawn out so that its length is increased to twice its original length calculate R with new situation (A= to 80ohm)

Answers

Answered by tanya5752

1

Answer:

40 ohm

Explanation:

since length is directly proportional to resistance, as length increases the resistance also increases

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