Question

A 41-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 82 A and experiences a magnetic force of 0.13 N. Find the magnitude of the earth's magnetic field at the location of the wire, assuming the field makes an angle of 61.0° with respect to the wire.

Answer 1

Answer: The magnitude of the earth's magnetic field at the location of the wire is 4.42 × 10^-5 T

Explanation: Please see the attachments below