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 Three 15 mH inductors are in series. The total inductance is 45 mH 5 mH 15 mH 30 mH 45 mH 5 mH 15 mH 30 mH 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 is increased momentarily goes to zero is decreased does not change is increased 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 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ 1.3 MΩ 660 kΩ 66 kΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 2.5 mV 16 mV 1.6 mV 160 mV 2.5 mV 16 mV 1.6 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The winding resistance of a coil can be increased by increasing the number of turns or using thinner wire changing the core material using a thinner wire increasing the number of turns increasing the number of turns or using thinner wire changing the core material using a thinner wire increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
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