Inductors An inductor, a 1 k resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is 0 V 12 V 6 V 4 V 0 V 12 V 6 V 4 V 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 14 μH 155 μH 2.2 μH 6.9 μH 14 μH 155 μH 2.2 μH 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? 78 mA 57 mA 91 mA 400 mA 78 mA 57 mA 91 mA 400 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 A 87 mA 337 mA 870 mA 87 A 87 mA 337 mA 870 mA 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? 48 s 0.48 μs 0.48 ms 0.48 s 48 s 0.48 μs 0.48 ms 0.48 s ANSWER DOWNLOAD EXAMIANS APP
Inductors A 240 H inductor is equivalent to a 0.000240 mH inductor 240 H inductor 0.240 mH inductor 240 mH inductor 0.000240 mH inductor 240 H inductor 0.240 mH inductor 240 mH inductor ANSWER DOWNLOAD EXAMIANS APP
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