The main function of the commutator in a simple d.c. moto...
The main function of the commutator in a simple d.c. motor is to
enable the armature to rotate freely
increase the flux linking the armature windings
maintain a direct current in the armature
provide uniform magnetic field around the armature
reverse the direction of the current in the armature.
Correct answer is E
No explanation has been provided for this answer.
The relative density of a liquid is the ratio of the ...
Which of the following statements explain why hot soapy water is more effective in cleaning oil...
What charge is stored in a 0.1F capacitor when a 10V supply is connected across it? ...
Which of the following is true of the loudness of sound? It ...
Which is the incorrect formula for a body accelerating uniformly? ...
The clinical thermometer differs from other mercury-in-glass thermometers because it has I. a co...