A general amplifier has a Vin of 500 ?V and a Vout of 300 mV. The amplifier's voltage gain (Av) is
A) 15,000 B) 1.66 C) 600 D) 0.6
C
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Explain the Count Down Underflow Bit (UN).
What will be an ideal response?
There is a special sale on engine oil. If you purchase more than one 12-quart case, you will receive a 5 percent discount. If you purchase six or more cases, you will receive a 10 percent discount. You have two vehicles that require an oil change every 4,000 miles. Vehicle #1 requires four quarts per oil change plus one additional quart when you also change the oil filter. Vehicle #2 requires five quarts per change plus one quart whenever the filter is changed. Each year your family drives vehicle #1 about 16,000 miles and vehicle #2 about 24,000 miles. You change the oil filter every other time the oil is changed. The normal price for oil is $22.49 per case. Oil filters cost $4.39 each. What is the total yearly cost for all oil filters?
Fill in the blank(s) with the appropriate word(s).
Refrigerant enters a direct expansion evaporator as a saturated mixture and leaves as a:
A) Warm vapor. B) Cool vapor. C) Superheated vapor. D) Saturated mixture.
Which of the following are a factory-made combination of aluminum inner wall and steel outer wall with about a 3/4" space between the two walls?
a. single wall chimneys b. single wall vent connectors c. Type B vents d. double wall, Type L vents