RL Circuits When the frequency of the voltage applied to a series RL circuit is increased, the phase angle does not change decreases cannot be determined without values increases does not change decreases cannot be determined without values increases 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 remains constant doubles halves cannot be determined without values remains constant doubles halves 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 0.564 564 6.76 55.7 0.564 564 6.76 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 942Ω 152.6Ω 1526Ω 1200Ω 942Ω 152.6Ω 1526Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 470Ω resistor and a coil with 125Ω inductive reactance are in parallel. Both components are across a 15 V ac voltage source. Current through the inductor is 32 mA 120 mA 12 mA 152 mA 32 mA 120 mA 12 mA 152 mA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 1 0.2 0.8 0.4 1 0.2 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP