Multiple Choice
Applying an ac voltage to an electromagnetʹs coil will produce a ________.
A) south magnetic field
B) north magnetic field
C) steady magnet field
D) changing magnetic field
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q19: The purpose of a commutator in a
Q20: According to the left-hand rule for the
Q22: The magnetic term that is equivalent to
Q25: In which one of the following applications
Q27: Soft iron, copper, and silver make good
Q27: Faradayʹs law and Lenzʹs law are related
Q29: An <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8542/.jpg" alt="An is
Q33: A _ is a type of electromagnetic
Q41: Unlike magnetic poles repulse one another.
Q51: The movable part of the relay is