subject
Physics, 15.11.2019 10:31 red921

What is the function of the commutator in a motor?
a. it strengthens the magnetic field.
b. it changes the polarity of the magnet.
c. it causes the magnetic fields to interact.
d. it facilitates the movement of the current through a wire.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 03:00
An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
Answers: 1
question
Physics, 22.06.2019 14:30
Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current
Answers: 1
question
Physics, 22.06.2019 17:10
As the distance from a magnet increases, what happens to the magnet force?
Answers: 1
question
Physics, 22.06.2019 17:50
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
Answers: 1
You know the right answer?
What is the function of the commutator in a motor?
a. it strengthens the magnetic field.
Questions
question
Mathematics, 27.06.2019 21:30
Questions on the website: 13722366