Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 18 mV 180 mV 1.8 mV 1.25 mV 18 mV 180 mV 1.8 mV 1.25 mV 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 is decreased momentarily goes to zero does not change is increased is decreased momentarily goes to zero does not change 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? 66 kΩ 219 kΩ 660 kΩ 1.3 MΩ 66 kΩ 219 kΩ 660 kΩ 1.3 MΩ 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 64 μH 8 H 32 μH 248 μH 64 μH 8 H 32 μH 248 μH ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field decreases doubles increases remains the same decreases doubles increases remains the same 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 78 mA 57 mA 91 mA 400 mA 78 mA 57 mA 91 mA ANSWER DOWNLOAD EXAMIANS APP
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