Which of the following isn't a component of a DC motor?
Answer(s): A
Rotor bars are found only on AC induction motors.
A current passed through a muscle in the human body causes the muscle to contract.This is known as __________.
Answer(s): D
The ability of current to contracts muscles is called the physiological effect.
In a closed electrical circuit __________.
In a closed circuit, one terminal is always positive, and the other is always negative.
What does RMS stand for?
Root Mean Square is the peak value of voltage multiplied by 0.707 (sine 45).
The symbol above is a/an __________.
Answer(s): B
The symbol is a fuse. Fuses are designed to "blow" (melt) if the current flowing through it exceeds a specified value.
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