Objective: SWBAT determine the strength and direction of magnetic forces and fields due to current carrying wires.
Warm Up: Get out your magnetism problems workshhet.
An electric power line carries a current of 1400 Ain a location where the Earth's magnetic field is 5.0 x 10^-5T. The line makes an angle of 75 degrees with respect to the field. Determine the magnitude of the magnetic force on a 120 m length of line.
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