Author Question: Disconnect a small-voltage battery from a coil of many loops of wire and a large voltage may be ... (Read 117 times)

scienceeasy · **on:** Jul 29, 2018

Disconnect a small-voltage battery from a coil of many loops of wire and a large voltage may be produced by

A) the sudden collapse in the magnetic field.
B) latent energy in the battery.
C) the resistance of the battery to a change in polarity.
D) electrons already in the wire.
E) the electric field between the battery terminals.

Question 2

Underlying the concept of self-induction is

A) Ohm's law.
B) Faraday's law.
C) Maxwell's law.
D) all of these about equally