Question

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 voltages that are induced in the armature conductors of a DC generator are____ a. unidirectional. b. direct. c. alternating. d. at a constant magnitude.

   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 voltages that are induced in the armature conductors of a DC generator are____
a. unidirectional.
b. direct.
c. alternating.
d. at a constant magnitude.

Electricity 1: Devices, Circuits and Materials

Thomas Kubala 9th Edition

Chapter 15, Problem 19

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The question is asking about the nature of the voltages induced in the armature conductors of a DC generator. Show more…

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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 voltages that are induced in the armature conductors of a DC generator are____ a. unidirectional. b. direct. c. alternating. d. at a constant magnitude.

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Key Concepts

Electromagnetic Induction

Electromagnetic induction is the phenomenon where a changing magnetic field within a circuit induces an electromotive force (EMF) in a conductor. In rotating systems, this process causes the generated voltage in the conductors to alternate, as the conductors periodically move in and out of alignment with the magnetic field.

DC Generator Operation

A DC generator converts mechanical energy into electrical energy using the principles of electromagnetic induction. Although the induced EMF in the rotating armature conductors is inherently alternating, a commutator is employed to rectify the alternating voltage into a pulsating direct current, making it suitable for applications that require DC power.

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