What type of voltage source in series with an impedance has as its equivalent an ideal current source in parallel with the same impedance, and vice versa?
A. Capacitor
B. Controlled
C. Current
D. Ideal
D
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Any time a corded power tool is used on a job site, it must be plugged into a _____.
a. ground fault circuit interrupter b. circuit breaker c. panelboard d. surge protector
for the elevator going upward.
An elevator consists of the cabin, motor, counterweight, cables, and pulleys. The elevator cabin is full and is moving downward. The mass of the cabin plus people is greater than the mass of the counterweight. Explain the operation of the motor in terms of energy transfer, and indicate the speed-torque quadrant for this motion.
If your voltmeter had a tolerance of +/- 2% and you applied 68.7 VAC to it:
What will be an ideal response?
On a construction site, the crew leader typically reports directly to the _____
a. project manager b. superintendent c. owner d. architect