A high-voltage power line carries a current of 113 A at a location where the Ear

Question

A high-voltage power line carries a current of 113 A at a location where the Earth's magnetic field has a magnitude of 0.571 G and points to the north, 75.0° below the horizontal. Calculate the magnitude of the magnetic force exerted on a 249 m length of wire if the current in the wire flows horizontally toward the east. Submit Answer Tries 0/16 Calculate the magnitude of the magnetic force exerted on a 249 m length of wire if the current in the wire flows horizontally toward the south. Submit Answer Tries 0/16

Explanation / Answer

a) F= BIL = 0.571*10^-4*113*249= 1.607 N

b) F= BIL sin 75= 1.552 N

comments in case any doubt...goodluck

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