s the direction of a current, as well amount of the current. A large solenoid is

Question

s the direction of a current, as well amount of the current. A large solenoid is connected to a aallh enoid, it is determined th nected to a galvanometer, as in figure below. By passing a current through the solenoid, it as in clockwise current, viewed from above, will deflect the needle to the a a counter- clockwise current will deflect the needle to th then disconnected from the solenoid, and a bar mag outside of the solenoid. As this occurs, the needle on the galvanometer to the right. Use this information to label the poles of the magnet/ Ex A galvanometer is an ammeter that gives the direction of a is determined that a eedle to the right, while 12. will deflect the needle to the right, wh the needle to the left. All batteries and a bar magnet is brought down e let brought down are the galvanometer deflect oles of the magnet/ Explain you ing reasoning Bar Magnet galvanometer Solenoid

Explanation / Answer

The current flow in the coil is clocksie as the needle in the galvonometer deflects to the right. Therefore, the magnetic flux through the coil is increasing downwards. Using the Lenz's law, the flux due to the bar magnetic shoude be increase upwards. thus, the South pole is at bottom.

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