Simple RC circuits can be viewed as what type of filter?
A) passive B) low pass C) high pass D) active
A
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A negative shunt clippler
A) has its cathode tied to ground B) is in series with RS C) is in series with RL D) has its anode tied to ground
The cloudy appearance of liquids caused by the presence of suspended particles is _____
A) reflectivity B) turbidity C) transmissivity D) absorbance
Of the three basic classifications of magnetic materials, _______________ materials are either metal or nonmetal materials that cannot be magnetized.
Fill in the blank(s) with the appropriate word(s).
For the balanced, three phase network shown below assume that all data is per unit on a 100 MVA base except for the transmission line reactance. Assume a 20 kV voltage base for the generator and motor, and a 138 kV voltage base for the transmission line.
a. If the system is initially operating unloaded with all voltages at 1.0 per unit, what is the magnitude of the fault current (in amps) if a balanced, three phase fault occurs on the terminal of the generator on the left. You should neglect the dc offset current. b. During the fault from part a, what is the per unit voltage magnitude on the terminal of the motor? c. Repeat part a, except now assume that the generator is supplying 100 MVA with a 0.8 lagging power factor and a terminal voltage of 1.0 per unit.