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 1526Ω 942Ω 152.6Ω 1200Ω 1526Ω 942Ω 152.6Ω 1200Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.2 0.8 1 0.4 0.2 0.8 1 0.4 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 68.6° 120 angle 68.6° 129 angle 31.4° 47 angle 68.6° 129 angle 68.6° 120 angle 68.6° 129 angle 31.4° 47 angle 68.6° 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 26.0 V 20 V 18.4 V 2 V 26.0 V 20 V 18.4 V 2 V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits To increase the current in a series RL circuit, the frequency should be decreased should be constant should be increased cannot be determined without values should be decreased should be constant should be increased cannot be determined without values ANSWER DOWNLOAD EXAMIANS APP
RL Circuits The voltages in Problem 5 are measured at a certain frequency. To make the resistor voltage less than the inductor voltage, the frequency is doubled decreased not a factor increased doubled decreased not a factor increased ANSWER DOWNLOAD EXAMIANS APP