GEOLOGY

EARTH SCIENCE

MAGNETISM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Most electric generators use ____ current.
A
alternating
B
direct
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The output is alternating electrical power in the form of alternating voltage and current. AC generators work on the principle of Faraday’s law of electromagnetic induction, which states that electromotive force – EMF or voltage – is generated in a current-carrying conductor that cuts a uniform magnetic field.

Detailed explanation-2: -The rotor generates a moving magnetic field around the stator, which induces a voltage difference between the windings of the stator. This produces the alternating current (AC) output of the generator.

Detailed explanation-3: -Generators are capable of both AC and DC power. Alternators usually are made for A/C (alternating current) applications, hence the name “alternator."

Detailed explanation-4: -Alternating current (AC) Induction AC motors may be used as generators, turning mechanical energy into electric current.

Detailed explanation-5: -AC and DC power generators both use electromagnetic induction to generate electricity. However, the process they use is different. An AC generator creates an alternating current that periodically reverses direction. But in a DC generator, a direct current flows in one direction.

There is 1 question to complete.