If the input pulse to an RC differentiator is very short compared to the circuit's time constant, the differentiator's output is ________
A) a square wave very similar to the input voltage B) a dc value of about half the peak input voltage
C) a dc voltage equal to the peak input voltage D) zero volts
A
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Which of the following is true of the voltage rating of a fuse?
a. It can be lower than the circuit voltage but never higher. b. It can be higher than the circuit voltage but never lower. c. It is always the same as the circuit voltage. d. It depends upon its capability to close a circuit under an overcurrent condition.
Which signal path supplies timing and control signals to memory?
A) control bus B) data bus C) memory bus D) address bus
A strange high-pitched squeal coming from a flake ice machine with a low production of soft, mushy ice is an indication of:
A) A dirty evaporator. B) A bad auger motor bearing. C) A bad compressor. D) A failing water recirculation pump.
The country that generates the most electrical power from wind energy is _____
a. the United States b. China c. Canada d. Norway