Nccer Electrical Module 12 Questions
And Answers With Verified Solutions
Rated A+
Back feed - ANSWER✔✔The reverse flow of electrical power in a distribution
system caused by power induced into the system from outside sources, such as
when using a generator during outages or when using a solar photovoltaic (PV)
system. Backfeeds can also be caused by equipment overloads
Coil - ANSWER✔✔A number of turns of wire, especially in spiral form, used for
electromagnetic effects or for providing electrical resistance
Continuity - ANSWER✔✔An electrical term used to describe a complete
(unbroken) circuit that is capable of conducting current. Such a circuit is also said
to be closed
d'Arsonval meter movement - ANSWER✔✔A meter movement that uses a
permanent magnet and moving coil arrangement to move a pointer across a scale
Frequency - ANSWER✔✔The number of cycles completed each second by a
given AC voltage; usually expressed in hertz. One hertz equals one cycle per
second.
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