Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current momentarily goes to zero is decreased is increased does not change momentarily goes to zero is decreased is increased does not change 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 0.48 ms 0.48 μs 48 s 0.48 s 0.48 ms 0.48 μs 48 s 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 1 A 1 mA 10 mA 100 mA 1 A 1 mA 10 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field is quartered does not change doubles quadruples is quartered does not change doubles quadruples 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 870 mA 87 mA 87 A 337 mA 870 mA 87 mA 87 A 337 mA 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 4 V 0 V 12 V 6 V 4 V 0 V 12 V 6 V ANSWER DOWNLOAD EXAMIANS APP
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