Early telephone receivers used a stationary coil consisting of many turns of ____ wrapped around the poles of a permanent horseshoe magnet.
A)fine wire
B)striated wire
C)twisted wire
D)thick wire

Question

Quizplus · Accepted Answer

Early telephone receivers used a stationary coil consisting of many turns of fine wire wrapped around the poles of a permanent horseshoe magnet.

Early Telephone Receivers Used a Stationary Coil Consisting of Many