In items 11 through 30, select the best answer to make each...

In items 11 through 30, select the best answer to make each statement true. Place the letter of your answer in the space provided.
The voltage generated in a single-loop generator armature is____
a. DC.
c. alternating.
b. pulsating DC.
d. unidirectional.

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Key Concepts

Electromagnetic Induction

This is the principle by which a voltage is generated in a conductor when it is exposed to a changing magnetic field. According to Faraday's Law of Electromagnetic Induction, a change in magnetic flux through a circuit induces an electromotive force (voltage), which is the fundamental operating concept behind generators.

Alternating Current (AC) Generation

In a generator, especially one with a single-loop armature, the rotation of the coil through the magnetic field causes the direction of the induced electromotive force to change periodically. This constant change in direction produces an alternating voltage, which is the basis for alternating current, enabling efficient power transmission over long distances.

Rotating Coil Generator

This concept refers to the design of many generators where a loop or coil rotates within a magnetic field. As the coil rotates, the magnetic flux linked with the coil changes sinusoidally, leading to the generation of an alternating voltage. This setup is fundamental in the conversion of mechanical energy into electrical energy.

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