Inductors A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is 55 mH 5.5 mH less than 5.5 mH less than 0.2 mH 55 mH 5.5 mH less than 5.5 mH less than 0.2 mH ANSWER DOWNLOAD EXAMIANS APP
Inductors A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed? 400 mA 78 mA 57 mA 91 mA 400 mA 78 mA 57 mA 91 mA 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 870 mA 337 mA 87 A 87 mA 870 mA 337 mA 87 A 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 18 mV 180 mV 1.8 mV 1.25 mV 18 mV 180 mV 1.8 mV 1.25 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is 9.9 mH or greater than 5 mH 9.9 mH less than 0.6 mH greater than 5 mH 9.9 mH or greater than 5 mH 9.9 mH less than 0.6 mH greater than 5 mH ANSWER DOWNLOAD EXAMIANS APP
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 48 s 0.48 ms 0.48 μs 0.48 s 48 s 0.48 ms 0.48 μs ANSWER DOWNLOAD EXAMIANS APP
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