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° 129 angle 31.4° 47 angle 68.6° 120 angle 68.6° 129 angle 68.6° 129 angle 31.4° 47 angle 68.6° 120 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.2 0.8 0.4 1 0.2 0.8 0.4 1 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 874 A 874 mA 8.74 A 8.74 mA 874 A 874 mA 8.74 A 8.74 mA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit halves doubles cannot be determined without values remains constant halves doubles cannot be determined without values remains constant 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 18.4 V 20 V 26.0 V 2 V 18.4 V 20 V 26.0 V 2 V 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 218 angle –76° mS 12.18 angle 76° mS 12.18 angle –76° mS 12.60 angle –76° mS 218 angle –76° mS 12.18 angle 76° mS 12.18 angle –76° mS 12.60 angle –76° mS ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS