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 1526Ω 152.6Ω 942Ω 1200Ω 1526Ω 152.6Ω 942Ω 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 A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is 55.7 564 0.564 6.76 55.7 564 0.564 6.76 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 55.15Ω 200Ω 5.51Ω 90Ω 55.15Ω 200Ω 5.51Ω 90Ω 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 129 angle 31.4° 129 angle 68.6° 120 angle 68.6° 47 angle 68.6° 129 angle 31.4° 129 angle 68.6° 120 angle 68.6° 47 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.4 1 0.8 0.2 0.4 1 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP