Inductors A 320 H coil is in series with a 3.3 k resistor. How long does it take for current to build up to its full value? 0.48 s 0.48 ms 48 s 0.48 μs 0.48 s 0.48 ms 48 s 0.48 μs ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field doubles remains the same increases decreases doubles remains the same increases decreases 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 219 kΩ 660 kΩ 66 kΩ 1.3 MΩ 219 kΩ 660 kΩ 66 kΩ 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 mA 337 mA 870 mA 87 A 87 mA 337 mA 870 mA 87 A ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.08 μH is larger than 0.000000008 H 0.000008 H 0.00008 mH 0.0000008 H 0.000000008 H 0.000008 H 0.00008 mH 0.0000008 H ANSWER DOWNLOAD EXAMIANS APP
Inductors The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 6.9 μH 2.2 μH 155 μH 14 μH 6.9 μH 2.2 μH 155 μH 14 μH ANSWER DOWNLOAD EXAMIANS APP