When current flow tries to decrease in an inductor, the magnetic field and the voltage polarity across the inductor _ .
A) collapses, reverses
B) expands, reverses
C) expands, remains the same
D) collapses, remains the same

Question

Quizplus · Accepted Answer

When the current through an inductor decreases, the magnetic field around it collapses, and the voltage polarity across the inductor reverses to oppose the change in current, according to Lenz's law.

When Current Flow Tries to Decrease in an Inductor, the Magnetic