When there is no voltage the electrons are still moving randomly. Since the numb

Question

When there is no voltage the electrons are still moving randomly. Since the number of electrons moving one direction is balanced by electrons moving the opposite direction then there is no net magnetic field. There is no magnetic field because there is no net flow of electrons. Predict what you think will happen if a magnet approaches a wire loop. Will the movement of electrons producing the same magnetic field be encouraged or discouraged? Will the movement of electrons producing the opposite magnetic field be encouraged or discouraged?

Explanation / Answer

Movement of electron producing the opposite magnetic field be discouraged. According to Lenz's law of induction. Induced voltage{current} is such that it produce an current thats magnetic field opposes the change which produce it.

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