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 64 μH 32 μH 248 μH 8 H 64 μH 32 μH 248 μH 8 H 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 increased momentarily goes to zero is decreased does not change is increased momentarily goes to zero is decreased does not change 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? 400 mA 57 mA 78 mA 91 mA 400 mA 57 mA 78 mA 91 mA 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 1.8 mV 1.25 mV 18 mV 180 mV 1.8 mV 1.25 mV 18 mV 180 mV 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 The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 160 mV 16 mV 2.5 mV 1.6 mV 160 mV 16 mV 2.5 mV 1.6 mV ANSWER DOWNLOAD EXAMIANS APP
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