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? 660 kΩ 1.3 MΩ 219 kΩ 66 kΩ 660 kΩ 1.3 MΩ 219 kΩ 66 kΩ 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 1.25 mV 18 mV 1.8 mV 180 mV 1.25 mV 18 mV 1.8 mV 180 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors Three 15 mH inductors are in series. The total inductance is 15 mH 30 mH 5 mH 45 mH 15 mH 30 mH 5 mH 45 mH 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 6 V 12 V 0 V 4 V 6 V 12 V 0 V ANSWER DOWNLOAD EXAMIANS APP
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? 78 mA 57 mA 91 mA 400 mA 78 mA 57 mA 91 mA 400 mA 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 VR ≥ VL VL < VR VL > VR VL = VR VR ≥ VL VL < VR VL > VR VL = VR ANSWER DOWNLOAD EXAMIANS APP
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