Common-Collector amplifiers are preferred to drive low impedance loads because
A) low input impedance buffers output B) CC output impedance is low
C) CC amplifiers have high voltage gain D) all of the above
B
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Which of the following is LEAST-Likely a type of retaining ring?
A. Joint ring B. Circle clip C. External snap ring D. Internal snap ring
When a metal underground water pipe is used as a grounding electrode, it must be in contact with the earth for at least __________ feet.
a. 5 b. 8 c. 10 d. 12
Because all the bit positions in the preceeding problem contain 1s, the simplest approach to completing the conversion for the above problem would be to:
A) determine the weight of the MSB and add 1 to that value. B) determine the number of bits, raise 2 to that value and then subtract 1. C) determine the weight of each of the bit positions and sum the results. D) simply determine the weight of the MSB.
Some pump casings require a particular _____ for tightening the casing nuts
a. tool b. stud c. amount of time d. sequenc