Chemistry, 18.07.2019 02:30 PLEASEHELP4528
An electric motor is connected to a battery. the current flows through brushes to a commutator ring, which is attached to an electromagnet turning through a permanent magnetic field. what is the purpose of the commutator ring? a. it periodically reverses the current flow through the electromagnet. b. it turns the electromagnet in the opposite direction. c. it allows mechanical energy to be converted into electrical energy. d. it keeps the electromagnet from losing its magnetism.
Answers: 1
Chemistry, 22.06.2019 11:10
Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
Answers: 1
Chemistry, 22.06.2019 18:00
How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate
Answers: 3
Chemistry, 22.06.2019 21:00
Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?
Answers: 1
Chemistry, 23.06.2019 03:30
The semi-conductors on the periodic table are classified as
Answers: 1
An electric motor is connected to a battery. the current flows through brushes to a commutator ring,...
History, 27.01.2021 05:00
Arts, 27.01.2021 05:00
Chemistry, 27.01.2021 05:00
Social Studies, 27.01.2021 05:00
Social Studies, 27.01.2021 05:00
Mathematics, 27.01.2021 05:00
Business, 27.01.2021 05:00
English, 27.01.2021 05:00
Mathematics, 27.01.2021 05:00
Health, 27.01.2021 05:00
Biology, 27.01.2021 05:00
Mathematics, 27.01.2021 05:00
Mathematics, 27.01.2021 05:00