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 decreased increased not a factor doubled decreased increased not a factor doubled ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency is decreased, the impedance of a parallel RL circuit remains constant is not a factor decreases increases remains constant is not a factor decreases increases 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 halves doubles cannot be determined without values remains constant halves doubles cannot be determined without values 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 When the frequency of the voltage applied to a series RL circuit is increased, the phase angle increases does not change decreases cannot be determined without values increases does not change decreases cannot be determined without values 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 0.3 angle 20.6° V 12.8 angle 20.6° V 3.84 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 12.8 angle 20.6° V 3.84 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP