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A transmission line carries an 800-A current from east to west. The earth's magnetic field is...

A transmission line carries an 800-A current from east to west. The earth's magnetic field is 0.8 G due north but directed 60° below the horizontal. What is the force per meter on the line?

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Answer #1

Fe know that magnetic force F = I L x B

F/L = 800*0.8e-4

= 0.064 N/m answer

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