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. Three parallel wires all with the same magnitude of current (I1= I2= 3) are pe

ID: 2196722 • Letter: #

Question

. Three parallel wires all with the same magnitude of current (I1= I2= 3) are perpendicular to the plane of this page. In two of the wires, the current is directed out of the page, while in the remaining wire the current is directed into the page. The two outermost wires are rigidly held in place. In which direction will the middle wire move? a) up b) down c) left d) right e) the middle wire will not move

. Three parallel wires all with the same magnitude of current (I1= I2= 3) are perpendicular to the plane of this page. In two of the wires, the current is directed out of the page, while in the remaining wire the current is directed into the page. The two outermost wires are rigidly held in place. In which direction will the middle wire move? a) up b) down c) left d) right e) the middle wire will not move

Explanation / Answer

Force on middle wire due to left wire is towards up. And same with right wire too. So it will move a) Up.