Physics, 26.06.2019 15:30 abdirahmansoloman
An electric motor is connected to a battery. the current flows through brushes to a commutator ring, which is attached to a electromagnet turning through a permanent in a magnetic field what is the purpose of the commutator ring
Answers: 1
Physics, 21.06.2019 15:30
What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons
Answers: 1
Physics, 21.06.2019 17:00
Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct
Answers: 1
Physics, 21.06.2019 17:00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
Answers: 1
Physics, 21.06.2019 17:00
After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction
Answers: 1
An electric motor is connected to a battery. the current flows through brushes to a commutator ring,...
Mathematics, 07.05.2022 01:00
Chemistry, 07.05.2022 01:30
Mathematics, 07.05.2022 02:00
Health, 07.05.2022 02:10
Business, 07.05.2022 02:10
Social Studies, 07.05.2022 02:20
Spanish, 07.05.2022 03:00
Social Studies, 07.05.2022 03:10