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 12.60 angle –76° mS 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 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 140Ω resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is 55.15Ω 200Ω 90Ω 5.51Ω 55.15Ω 200Ω 90Ω 5.51Ω 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 31.4° 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° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle decreases cannot be determined increases is not affected decreases cannot be determined increases is not affected ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is decreased, the impedance cannot be determined without values increases does not change decreases cannot be determined without values increases does not change decreases 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 120 mA 152 mA 32 mA 12 mA 120 mA 152 mA 32 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP