If a tape recorder's output voltage increases and decreases when you shake the recorder, a possible problem might be _.
A)too high a source voltage
B)a loose circular magnet around the speaker's voice coil
C)an open circuit in the speaker
D)an open capacitor

Question

Quizplus · Accepted Answer

A loose circular magnet around the speaker's voice coil can cause fluctuations in the output voltage when the recorder is shaken, as it affects the magnetic field and the speaker's operation.

If a Tape Recorder's Output Voltage Increases and Decreases When