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? 57 mA 400 mA 91 mA 78 mA 57 mA 400 mA 91 mA 78 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? 0.48 ms 48 s 0.48 μs 0.48 s 0.48 ms 48 s 0.48 μs 0.48 s ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field doubles does not change is quartered quadruples doubles does not change is quartered quadruples ANSWER DOWNLOAD EXAMIANS APP
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 12 V 4 V 6 V 0 V 12 V 4 V 6 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Inductors A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is 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 55 mH 5.5 mH ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.08 μH is larger than 0.0000008 H 0.00008 mH 0.000000008 H 0.000008 H 0.0000008 H 0.00008 mH 0.000000008 H 0.000008 H ANSWER DOWNLOAD EXAMIANS APP
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