Question

In problems 1 through 7, select the best answer to make the statement true, and place the letter of the answer in the space provided. When a commutator is used on a single loop, the voltage at the brushes has a_____ a. very large magnitude. b. changing polarity. c. constant polarity. d. zero value. e. constant value.

   In problems 1 through 7, select the best answer to make the statement true, and place the letter of the answer in the space provided.
When a commutator is used on a single loop, the voltage at the brushes has a_____
a. very large magnitude.
b. changing polarity.
c. constant polarity.
d. zero value.
e. constant value.

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Electricity 1: Devices, Circuits and Materials

Electricity 1: Devices, Circuits and Materials

Thomas Kubala 9th Edition

Chapter 13, Problem 6

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Step 1

A commutator is used in electric machines to reverse the direction of current flow in the coil as it rotates, which is essential for maintaining continuous rotation. Show more…

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In problems 1 through 7, select the best answer to make the statement true, and place the letter of the answer in the space provided. When a commutator is used on a single loop, the voltage at the brushes has a_____ a. very large magnitude. b. changing polarity. c. constant polarity. d. zero value. e. constant value.

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