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° 120 angle 68.6° 47 angle 68.6° 129 angle 68.6° 129 angle 31.4° 120 angle 68.6° 47 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 24 VA 12 VA 6 VA 0 VA 24 VA 12 VA 6 VA 0 VA 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 is not affected increases decreases cannot be determined is not affected increases 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 8.74 A 874 A 8.74 mA 874 mA 8.74 A 874 A 8.74 mA 874 mA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit remains constant doubles cannot be determined without values halves remains constant doubles cannot be determined without values halves 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 12 mA 120 mA 32 mA 152 mA 12 mA 120 mA 32 mA 152 mA ANSWER DOWNLOAD EXAMIANS APP
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