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? 660 kΩ 66 kΩ 219 kΩ 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ 1.3 MΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field increases decreases remains the same doubles increases decreases remains the same doubles ANSWER DOWNLOAD EXAMIANS APP
Inductors An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is 10 mA 1 A 1 mA 100 mA 10 mA 1 A 1 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.43 mH is smaller than 0.00043 H 430 μH 43 μH 0.05 H 0.00043 H 430 μH 43 μH 0.05 H 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 18 mV 180 mV 1.8 mV 1.25 mV 18 mV 180 mV 1.8 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 337 mA 870 mA 87 A 87 mA 337 mA 870 mA ANSWER DOWNLOAD EXAMIANS APP
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