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 12 VA 6 VA 0 VA 24 VA 12 VA 6 VA 0 VA 24 VA 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 mA 8.74 mA 8.74 A 874 A 874 mA 8.74 mA 8.74 A 874 A 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 decreases does not change increases cannot be determined without values decreases does not change increases ANSWER DOWNLOAD EXAMIANS APP
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 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 0.3 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle increases cannot be determined is not affected decreases increases cannot be determined is not affected decreases ANSWER DOWNLOAD EXAMIANS APP
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