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 μs 0.48 ms 48 s 0.48 s 0.48 μs 0.48 ms 48 s 0.48 s 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 1.3 MΩ 660 kΩ 219 kΩ 66 kΩ 1.3 MΩ 660 kΩ 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 12 V 0 V 6 V 4 V 12 V 0 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 18 mV 1.25 mV 180 mV 1.8 mV 18 mV 1.25 mV 180 mV 1.8 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 16 mV 2.5 mV 1.6 mV 160 mV 16 mV 2.5 mV 1.6 mV 160 mV 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 VR ≥ VL VL = VR VL > VR VL < VR VR ≥ VL VL = VR ANSWER DOWNLOAD EXAMIANS APP
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