Physics

Degree Level: Pre-college

 

Question:

A wire connecting a taillight to a motorcycle batter is 1.0 m long, and is lying perpendicular to the Earth’s magnetic field. If it experiences a force of 6.0 x 10-5 N when carrying a current for 1.5 A, what is the magnitude of the Earth’s magnetic field at that location.

Answer :

see attached image
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