A lagging power factor is caused by __________.
A. normal excitation
B. overexcitation
C. underexcitation
Answer: C
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____________________ are beveled or angled edges that typically appear on the ends of shafts or fasteners. They are dimensioned by giving a length from the end of the part and an angle or by specifying two distances.
Fill in the blank(s) with the appropriate word(s).
Refrigerant in the evaporator coil of an air conditioner changes from a liquid to a gas when hot air passes over it. The temperature of the refrigerant does not change. What concept does this demonstrate?
A) Latent heat B) Specific heat C) Convection D) Radiation
Approximately how much voltage is required to forward bias a bipolar transistor?
A. .6 volts B. 2.4 volts C. 4.8 volts D. 12 volts
Hint: 
In the circuit shown 
is 135 volts and 
is 175 volts. Find 
. Carry the answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).