The manufacturer of an electric table saw claims that it has a 3.0 horsepower mo
ID: 1384644 • Letter: T
Question
The manufacturer of an electric table saw claims that it has a 3.0 horsepower motor. 1 horsepower is approximately 750 W . It is designed to be used on a normal 120 V outlet with a 15 A circuit breaker.
Part A
Is this claim reasonable? Choices listed below. (I know it is not reasonable, but do not know why, so it's either choice C or D).
A) This power is greater than the rating of the circuit breaker, so the breaker will not trip. So the claim is reasonable.
B) This power is less than the rating of the circuit breaker, so the breaker will not trip. So the claim is reasonable.
C) This power is less than the rating of the circuit breaker, so the breaker will trip. So the claim is not reasonable.
D) This power is greater than the rating of the circuit breaker, so the breaker will trip. So the claim is not reasonable.
Explanation / Answer
Correct answer is D)
The circuit breaker will trip because it can hold requests up to a power
P=VI=1800W,
while teh saw has a power requesto of 2250 W
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