In an electric motor, how do the permanent magnets and the electromagnet
interact?
PLEAS...
In an electric motor, how do the permanent magnets and the electromagnet
interact?
PLEASE ANSWER FAST
A. The electromagnet causes the permanent magnets to reverse
poles.
B. The permanent magnets reverse the current in the electromagnet.
C. The electromagnet reverses the current in the permanent
magnets.
D. The permanent magnets cause the metal loop in the
electromagnet to turn.
if you don’t know don’t answer
Answers: 1
Physics, 21.06.2019 14:30
The frequency of a given region of the electromagnetic spectrum ranges from 3 × 1016 − 3 × 1019 hertz. which type of wave is found in this region? a. x-rays b. ultraviolet rays c. infrared waves d. radio waves
Answers: 2
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Physics, 22.06.2019 07:50
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).
Answers: 3
Mathematics, 11.10.2020 22:01
English, 11.10.2020 22:01
Arts, 11.10.2020 22:01
Physics, 11.10.2020 22:01
Mathematics, 11.10.2020 22:01
Law, 11.10.2020 22:01
Computers and Technology, 11.10.2020 22:01
Mathematics, 11.10.2020 22:01
Business, 11.10.2020 22:01
Mathematics, 11.10.2020 22:01