Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field doubles does not change quadruples is quartered doubles does not change quadruples is quartered 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 0 V 4 V 12 V 6 V 0 V 4 V 12 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current is increased is decreased does not change momentarily goes to zero is increased is decreased does not change momentarily goes to zero 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? 219 kΩ 66 kΩ 660 kΩ 1.3 MΩ 219 kΩ 66 kΩ 660 kΩ 1.3 MΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors Five inductors are connected in series. The lowest value is 8 μH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is 8 H 64 μH 248 μH 32 μH 8 H 64 μH 248 μH 32 μH 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 A 87 mA 337 mA 870 mA 87 A 87 mA 337 mA ANSWER DOWNLOAD EXAMIANS APP
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