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 3.84 angle 20.6° V 13.84 angle 69.4° V 12.8 angle 20.6° V 0.3 angle 20.6° V 3.84 angle 20.6° V 13.84 angle 69.4° V 12.8 angle 20.6° V 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 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is 6.76 55.7 564 0.564 6.76 55.7 564 0.564 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 120 mA 12 mA 32 mA 152 mA 120 mA 12 mA 32 mA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits To increase the current in a series RL circuit, the frequency should be decreased cannot be determined without values should be constant should be increased should be decreased cannot be determined without values should be constant should be increased ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS