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? 660 kΩ 66 kΩ 1.3 MΩ 219 kΩ 660 kΩ 66 kΩ 1.3 MΩ 219 kΩ 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 180 mV 18 mV 1.8 mV 1.25 mV 180 mV 18 mV 1.8 mV 1.25 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The winding resistance of a coil can be increased by using a thinner wire changing the core material increasing the number of turns increasing the number of turns or using thinner wire using a thinner wire changing the core material increasing the number of turns increasing the number of turns or using thinner wire ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is partly shorted open good shorted partly shorted open good shorted ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current momentarily goes to zero is decreased is increased does not change momentarily goes to zero is decreased is increased does not change ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field doubles decreases increases remains the same doubles decreases increases remains the same ANSWER DOWNLOAD EXAMIANS APP
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