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 152.6Ω 1526Ω 942Ω 1200Ω 152.6Ω 1526Ω 942Ω 1200Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit doubles halves remains constant cannot be determined without values doubles halves remains constant cannot be determined without values 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° 47 angle 68.6° 120 angle 68.6° 129 angle 31.4° 129 angle 68.6° 47 angle 68.6° 120 angle 68.6° 129 angle 31.4° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle is not affected cannot be determined decreases increases is not affected cannot be determined decreases increases ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is increased, the phase angle increases does not change cannot be determined without values decreases increases does not change cannot be determined without values decreases ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Referring to Problem 23, the reactive power is 100 mVAR 6.76 mVAR 10 mVAR 148 mVAR 100 mVAR 6.76 mVAR 10 mVAR 148 mVAR ANSWER DOWNLOAD EXAMIANS APP