The current needs to be up since the field of the magnet is going into the southern pole.

You are watching: A magnet is hung by a string and then

Suppose I suggest my right-hand finger at the magnet, and have the thumb in the increase direction, climate my palm will point left. The direction of the push is where my palm points.


A magnet is hung by a string and also then put near a wire together shown. Once the switch is closed, the magnet rotates such that the end of the magnet move as indicated by the arrows.


At the instant the switch is closed determine:

Part A. The direction of the existing through the wire segment nearest the magnet. Explain. (Hint: Think that the magnet as a compass needle responding to the magnet field that is present.)

Part B. The direction the the force exerted by the magnet top top the wire segment (assume the magnet is in the place shown). Explain.

Learn this subject by watchingMagnetic force on Current-Carrying Wire principle Videos
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