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 400 mA 78 mA 57 mA 91 mA 400 mA 78 mA 57 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 155 μH 14 μH 6.9 μH 2.2 μH 155 μH 14 μH 6.9 μH 2.2 μH 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 is increased does not change momentarily goes to zero is decreased is increased does not change momentarily goes to zero 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
Inductors Five inductors are connected in series. The lowest value is 8 μH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is 8 H 64 μH 32 μH 248 μH 8 H 64 μH 32 μH 248 μH 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 less than 0.6 mH 9.9 mH or greater than 5 mH greater than 5 mH 9.9 mH less than 0.6 mH 9.9 mH or greater than 5 mH greater than 5 mH 9.9 mH ANSWER DOWNLOAD EXAMIANS APP
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