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 12.8 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 3.84 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 3.84 angle 20.6° V 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 24 VA 6 VA 0 VA 12 VA 24 VA 6 VA 0 VA 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 47Ω resistor is in series with an inductive reactance of 120Ω across an ac source. The impedance, expressed in polar form, is 120 angle 68.6° 129 angle 31.4° 47 angle 68.6° 129 angle 68.6° 120 angle 68.6° 129 angle 31.4° 47 angle 68.6° 129 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits The voltages in Problem 5 are measured at a certain frequency. To make the resistor voltage less than the inductor voltage, the frequency is doubled decreased not a factor increased doubled decreased not a factor increased 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 decreases cannot be determined is not affected increases decreases cannot be determined is not affected ANSWER DOWNLOAD EXAMIANS APP
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