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 An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is 1 mA 10 mA 100 mA 1 A 1 mA 10 mA 100 mA 1 A ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current does not change is decreased momentarily goes to zero is increased does not change is decreased momentarily goes to zero is increased ANSWER DOWNLOAD EXAMIANS APP
Inductors Three 15 mH inductors are in series. The total inductance is 30 mH 5 mH 45 mH 15 mH 30 mH 5 mH 45 mH 15 mH 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 91 mA 400 mA 57 mA 78 mA 91 mA 400 mA 57 mA 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 μs 0.48 ms 48 s 0.48 s 0.48 μs 0.48 ms 48 s 0.48 s ANSWER DOWNLOAD EXAMIANS APP
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