Inductors The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 14 μH 2.2 μH 6.9 μH 155 μH 14 μH 2.2 μH 6.9 μH 155 μH ANSWER DOWNLOAD EXAMIANS APP
Inductors Two 10 H inductors are in parallel and the parallel combination is in series with a third 10 H inductor. What is the approximate total reactance when a voltage with a frequency of 7 kHz is applied across the circuit terminals? 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is open good shorted partly shorted open good shorted partly shorted ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then VL < VR VR ≥ VL VL = VR VL > VR VL < VR VR ≥ VL VL = VR VL > VR ANSWER DOWNLOAD EXAMIANS APP
Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 1.25 mV 1.8 mV 18 mV 180 mV 1.25 mV 1.8 mV 18 mV 180 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors Two inductors, L1 and L2, are in parallel. L1 has a value of 25 H and L2 a value of 50 H. The parallel combination is in series with L3, a 20 H coil. The entire combination is across an ac source of 60 Vrms at 300 kHz. The total rms current is 87 A 87 mA 870 mA 337 mA 87 A 87 mA 870 mA 337 mA ANSWER DOWNLOAD EXAMIANS APP
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