100 Hz is applied to an eight-pole squirrel-cage motor. What happens to the synchronous speed if the number of poles are reduced to four?
A. It is half.
B. It doubles.
C. It is one-fourth.
D. It is four times greater.
Answer: B
Trades & Technology
You might also like to view...
A method used to sketch circles that requires only your hand, a pencil, and a piece of paper on which to sketch is called:
a. compass method b. trammel method c. hand-compass method d. hand-trammel method
Trades & Technology
Not counting birds, rats, and mice, which of these animals are MOST often used in laboratory experiments, according to the Animal Welfare Enforcement Report?
A) rabbits B) guinea pigs C) hamsters D) primates
Trades & Technology
? Identify and state the historical significance of the island-hopping strategy.
What will be an ideal response?
Trades & Technology
A shorted circuit ____________
A) Always causes the fuse to blow B) Could cause an open circuit C) Both A and B D) Neither A nor B
Trades & Technology