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A vertical straight wire carrying an upward 28-A current exerts an attractive force per unit length of 6.310 4 N/m on a second parallel wire

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

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