Physics, asked by garimagautam1947, 8 months ago

Uniform wire of resistance 50ohms is melted and recast into a wire of length half of that of original. What would be the resistance of the new wire formed?

Answers

Answered by meenayadav45411

4

Answer:

l am in hurry ok so l can't give you answer

Answered by harsharora111

2

Answer:

Volume same

A × L = constant

L2 = L1/2

A2 = 2A1

R = p L/A

R2 = R1/4

R2 = 50/4 = 12.5ohm

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