Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field increases remains the same decreases doubles increases remains the same decreases doubles 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? 1.3 MΩ 66 kΩ 660 kΩ 219 kΩ 1.3 MΩ 66 kΩ 660 kΩ 219 kΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is 9.9 mH or greater than 5 mH 9.9 mH less than 0.6 mH greater than 5 mH 9.9 mH or greater than 5 mH 9.9 mH less than 0.6 mH greater than 5 mH ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 16 mV 160 mV 1.6 mV 2.5 mV 16 mV 160 mV 1.6 mV 2.5 mV 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? 91 mA 78 mA 400 mA 57 mA 91 mA 78 mA 400 mA 57 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 VL > VR VL = VR VL < VR VR ≥ VL VL > VR VL = VR VL < VR VR ≥ VL ANSWER DOWNLOAD EXAMIANS APP
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