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 If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit cannot be determined without values doubles remains constant halves cannot be determined without values doubles remains constant halves ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is increased, the phase angle increases cannot be determined without values does not change decreases increases cannot be determined without values does not change decreases 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 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 13.84 angle 69.4° V 3.84 angle 20.6° V 12.8 angle 20.6° V 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 When the frequency of the voltage applied to a series RL circuit is decreased, the impedance does not change increases cannot be determined without values decreases does not change increases cannot be determined without values decreases ANSWER DOWNLOAD EXAMIANS APP
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