A vertical straight wire carrying an upward 28-A current exerts an attractive force per unit length of
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Question:
A vertical straight wire carrying an upward 28-A current exerts an attractive force per unit length of 6.3104 N/m on a second parallel wire 7.5 cm away.
a- What is the magnitude of the current in the second wire? Express your answer to two significant figures and include the appropriate units.
I2=?
b- What is the direction of the current in the second wire?
upward
downward
Expert Answer:
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