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 0.3 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V 12.8 angle 20.6° V 0.3 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V 12.8 angle 20.6° V 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 increased decreased not a factor doubled increased decreased not a factor doubled ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 470Ω resistor and a 200 mH coil are in parallel. Both components are across a 1.5 kHz ac source. The total admittance of the circuit, in polar form, is 12.18 angle 76° mS 218 angle –76° mS 12.60 angle –76° mS 12.18 angle –76° mS 12.18 angle 76° mS 218 angle –76° mS 12.60 angle –76° mS 12.18 angle –76° mS ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 1 0.2 0.4 0.8 1 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Referring to Problem 23, the reactive power is 10 mVAR 100 mVAR 6.76 mVAR 148 mVAR 10 mVAR 100 mVAR 6.76 mVAR 148 mVAR 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 152.6Ω 1526Ω 1200Ω 942Ω 152.6Ω 1526Ω 1200Ω 942Ω ANSWER DOWNLOAD EXAMIANS APP
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