A magnet and coil are oriented as shown in Figure 25.50. The magnet is moved rap

Question

A magnet and coil are oriented as shown in Figure 25.50. The magnet is moved rapidly into the coil, held stationary in the coil for a short time, and then rapidly pulled back out of the coil. Sketch a graph showing the reading of the ammeter as a function of time. The ammeter registers a positive value of current when current goes into the A magnet and coil are oriented as shown in Figure 25.50. The magnet is moved rapidly into the coil, held stationary in the coil for a short time, and then rapidly pulled back out of the coil. Sketch a graph showing the reading of the ammeter as a function of time. The ammeter registers a positive value of current when current goes into the

Explanation / Answer

When a magnet passes through a coil of conductant material, an electric current is induced within the conductor (coil material). This current will flow through the rest of the circuit system. Alternatively, when a current is applied to the coil, an electromotive force is induced within the coil and can subsequently push the magnet. This is known as a solenoid

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