Physics, asked by pnamroy55, 2 months ago

a wire of resistance 15 ohm is stretched to double its length what is the new resistance​

Answers

Answered by somyashreeroul20
0

Answer:

When the wire is stretched its Volume remains the same. When the resistance of wire R=60Ω is cut into two equal parts, the length becomes half but area remains the same. Hence resistance of each part is R1= R/2 = 60/2 = 30Ω.

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