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° 120 angle 68.6° 47 angle 68.6° 129 angle 31.4° 129 angle 68.6° 120 angle 68.6° 47 angle 68.6° 129 angle 31.4° 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 120 mA 32 mA 12 mA 152 mA 120 mA 32 mA 12 mA 152 mA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is 6 A 42.4 A 424 mA 4.24 A 6 A 42.4 A 424 mA 4.24 A ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 0 VA 24 VA 6 VA 12 VA 0 VA 24 VA 6 VA 12 VA 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 increased doubled decreased not a factor increased doubled decreased not a factor ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is 1200Ω 942Ω 1526Ω 152.6Ω 1200Ω 942Ω 1526Ω 152.6Ω ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS