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? 1.3 MΩ 660 kΩ 219 kΩ 66 kΩ 1.3 MΩ 660 kΩ 219 kΩ 66 kΩ 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 32 μH 248 μH 8 H 64 μH 32 μH 248 μH 8 H 64 μH 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
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 momentarily goes to zero is increased is decreased does not change momentarily goes to zero is increased 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 1.25 mV 1.8 mV 18 mV 180 mV 1.25 mV 1.8 mV 18 mV 180 mV 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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