11:00
—— occd.instructure.com
1) The true power of an RLC circuit depends on the value of resistance.
a) True
b) False
2) Current leads in a series RLC circuit with more capacitive reactance than inductive reactance.
a) True
b) False
3) In a series RLC circuit V-I vector diagram, the voltage across capacitors is plotted;
a) upward at 90°.
b) downward at -90°
c) to the right at 0°
d) to the left at 180°
4) In a series RLC circuit impedance diagram, R is plotted;
a) upward at 90°
b) downward at -90°
c) to the right at 0°
d) none of the above
5) In a series RLC circuit impedance diagram, capacitive resistance is plotted:
a) upward at 90°
b) downward at -90°
c) to the right at 0°
d) none of the above
6) In a series RLC circuit impedance diagrm, inductive reactance is plotted:
a) upward at 90°
b) downward at -90°
c) to the right at 0°
d) none of the above
7) In a parallel RLC circuit V-1 diagram, inductor branch current is plotted:
a) upward at 90°
b) downward at -90°
c) to the right at 0
d) none of the above
8) In a parallel RLC circuit V-I diagram, capacitive branch current is plotted:
a) upward at 90°
b) downward at -90°
c) to the right at 0°
d) none of the above
18%
+
6
9) In a parallel RLC circuit with net reactance involved, a V-I vector diagram would illustrate total circuit voltage:
a) upward at 90°
b) downward at -90°
c) to the right at 0°
d) none of the above
10) When a circuit contains both resistances and reactance's, apparent power:
a) lower than the actual power dissipated by the circuit
b) higher than the actual power dissipated by the circuit
c) equal to the actual power dissipated be the circuit
d)none of the above
11) A power triangle is made up of:
a) true power, apparent power, and V XI
b) truc power, apparent power, and their mathematical sum
c) true power, reactive power, and apparent power
d) none of the above
12) true power in RLC circuits are dissipated by:
a) Resistive elements
b) Reactive elements
c) Both resistive and reactive elements
d) none of the above
<
