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 13.84 angle 69.4° V 12.8 angle 20.6° V 0.3 angle 20.6° V 3.84 angle 20.6° V 13.84 angle 69.4° V 12.8 angle 20.6° V 0.3 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is 18.4 V 2 V 26.0 V 20 V 18.4 V 2 V 26.0 V 20 V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 3.3 kΩ resistor and a 120 mH coil are in parallel. Both components are across a 2 kHz, 12 V ac source. The total current in the circuit is 8.74 mA 8.74 A 874 mA 874 A 8.74 mA 8.74 A 874 mA 874 A ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit cannot be determined without values doubles halves remains constant cannot be determined without values doubles halves remains constant ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 1 0.8 0.2 0.4 1 0.8 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 140Ω resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is 200Ω 90Ω 5.51Ω 55.15Ω 200Ω 90Ω 5.51Ω 55.15Ω ANSWER DOWNLOAD EXAMIANS APP