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#7 Please answer and explain the answer. For study purposes) thank you. Subject: Electromagnetism

Two long parallel wires carry currents of 5.0 A and 8.0 A in the opposite directions. The wires are separated by
0.30 m. Find the magnetic force per unit length between the two wires.
a. 2.7x10-5 N attractive
c. 2.7x10-5 N repulsive
b. 7.2x10-5 N attractive
d. 7.2X105 N repulsive

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#11 Please answer and explain the answer. For study purposes) thank you. Subject: Electromagnetism