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Two long straight current-carrying wires run parallel to each other. The current in one of the...

Two long straight current-carrying wires run parallel to each other. The current in one of the wires is 4.9 A, their separation is 3.6 cm and they repel each other with a force per unit length of 2.5 10-4 N/m.

(a) Determine the current in the other wire.____ A

(b) Determine if the currents are in the same or opposite direction.

(c) Determine what will happen if the direction of one current is reversed and tripled. (Select all that apply.)

The wires are repelled by each other.

The force per unit length is increased by a factor of 3.

The wires are attracted to each other.

The force per unit length is decreased by a factor of 3

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