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 When the frequency is decreased, the impedance of a parallel RL circuit increases remains constant decreases is not a factor increases remains constant decreases is not a factor 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 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 152 mA 32 mA 120 mA 12 mA 152 mA 32 mA 120 mA 12 mA 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 is not affected increases cannot be determined decreases is not affected increases cannot be determined 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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