RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit halves cannot be determined without values doubles remains constant halves cannot be determined without values doubles remains constant ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency is decreased, the impedance of a parallel RL circuit decreases increases remains constant is not a factor decreases increases remains constant is not a factor ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is 1200Ω 152.6Ω 942Ω 1526Ω 1200Ω 152.6Ω 942Ω 1526Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 47Ω resistor is in series with an inductive reactance of 120Ω across an ac source. The impedance, expressed in polar form, is 47 angle 68.6° 120 angle 68.6° 129 angle 68.6° 129 angle 31.4° 47 angle 68.6° 120 angle 68.6° 129 angle 68.6° 129 angle 31.4° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 12 kΩ resistor is in series with a 90 mH coil across an 8 kHz ac source. Current flow in the circuit, expressed in polar form, is I = 0.3 angle 0° mA. The source voltage, expressed in polar form, is 3.84 angle 20.6° V 0.3 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V 0.3 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 6 VA 24 VA 0 VA 12 VA 6 VA 24 VA 0 VA 12 VA ANSWER DOWNLOAD EXAMIANS APP
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