A straight 2.60 m wire carries a typical household current of 1.50 A (in one dir

Question

A straight 2.60 m wire carries a typical household current of 1.50 A (in one direction) at a location where the earth's magnetic field is 0.550 gauss from south to north. Find the magnitude of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it is running from west to east. Find the direction of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it os running vertically upward. Find the magnitude of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it is running vertically upward.

Explanation / Answer

PartB:

Magnitude of the force that our planet's magnetic field exerts on the cord is

F=B*i*l=0.550*10-4 T*1.50A*2.60m=2.145*10-4 N

PartD

it is same as partB

F=2.145*10-4 N

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