- This topic has 1 reply, 2 voices, and was last updated 12 years ago by
.
Viewing 2 posts - 1 through 2 (of 2 total)
-
Posts
-
An electric motor runs on which principle ?
a) The current flowing through a conductor causes generation of heat that drives the engine.
b) Changing magnetic field induces an electromotive force in a conductor.
c) Electric energy can be converted into chemical energy in the presence of magnetic fields.
d) A conductor carrying current in the direction perpendicular to the external magnetic field feels a force.
Viewing 2 posts - 1 through 2 (of 2 total)
- You must be logged in to reply to this topic.