The switch in the circuit shown in the figure below is closed, and the lightbulb

Question

The switch in the circuit shown in the figure below is closed, and the lightbulb glows steadily. The inductor is a simple air-core solenoid. An iron rod is inserted into the interior of the solenoid, increasing the magnitude of the magnetic field in the solenoid. As the rod is inserted, the brightness of the lightbulb

A) Increases

B)Decreases

C)Stays the same

The switch in the circuit shown in the figure below is closed, and the lightbulb glows steadily. The inductor is a simple air - core solenoid. An iron rod is inserted into the interior of the solenoid, increasing the magnitude of the magnetic field in the solenoid. As the rod is inserted, the brightness of the lightbulb A) Increases B)Decreases C)Stays the same

Explanation / Answer

b

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