12 Questions
What is the name of the power source for the armature?
Commutator
What is the type of brushless motor with high RPM but low torque?
Inrunner
What is the formula for RMS Power?
RMS Voltage multiply by RMS Current
What is the name of the device that measures current?
Ammeter
What is the term for electrically charged atoms?
Ions
What is the frequency of an alternator dependent upon?
RPM
What type of machine do generators and motors operate as?
Rotating Electrical Machine
What is the primary function of a voltmeter?
To measure the voltage of a circuit
What is the minimum voltage that is considered hazardous to humans?
50 V AC, 120 V DC
What is the process of generating high voltages by friction but with no current flow?
Static Electricity
What is the type of battery where the electrochemical process is irreversible?
Primary Cell
What is the principle behind the operation of all generators?
Induction of Motion
Test your knowledge of electrical machines, including motor components such as the armature and commutator, and different types of motors like inrunner and outrunner brushless motors. This quiz covers key concepts and terms related to DC machines and motor control.
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