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? 66 kΩ 660 kΩ 219 kΩ 1.3 MΩ 66 kΩ 660 kΩ 219 kΩ 1.3 MΩ 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 6 V 12 V 4 V 0 V 6 V 12 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 2.2 μH 155 μH 14 μH 6.9 μH 2.2 μH 155 μH 14 μH 6.9 μH ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then VL > VR VL = VR VL < VR VR ≥ VL VL > VR VL = VR VL < VR VR ≥ VL 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 A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current is decreased does not change momentarily goes to zero is increased is decreased does not change momentarily goes to zero is increased ANSWER DOWNLOAD EXAMIANS APP
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