REVOLT
Tutorial
Pricing
Answers
Platforms
Edgenuity
Classic Edgenuity courses
EdgeX
Edgenuity's new student experience
Edmentum
PLATO Courseware & more
Subject
Video-first Subject courses
Ai Humanizer
REVOLT
Tutorial
Pricing
Answers
Humanizer
Platforms
Edgenuity
EdgeX
Edmentum
Subject
Answers
Physical Science
Practice Test
Question 4
4
practice test
Multiple Choice
Practice Test
Question 4 • Physical Science
Which best compares a brush and a commutator in an electric motor?
Answer
A
Both rotate when the motor is on.
B
Both remain stationary when the motor is on.
C
Both carry electrical current from a power source.
D
Both have a permanent magnetic field.
Previous
Question 4
Next
More from this Course
practice test
18 verified answers
Practice Test
practice test
15 verified answers
Practice Test
practice test
13 verified answers
Practice Test
Which best compares a brush and a commutator in…