Physics, asked by srivastavapriyanshu2, 10 months ago

A metallic wire has radius 0.4mm .how much force is required to have an increase of 0.4%in its length

Answers

Answered by hearthacker54

4

Answer:

Current flowing in the coil, I = 0.4 A Magnitude of ... Hence, the magnetic force per unit length on the wire is 0.6 N m-1.

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