Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field increases decreases remains the same doubles increases decreases remains the same doubles 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 91 mA 57 mA 78 mA 400 mA 91 mA 57 mA 78 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors A 240 H inductor is equivalent to a 0.240 mH inductor 240 H inductor 0.000240 mH inductor 240 mH inductor 0.240 mH inductor 240 H inductor 0.000240 mH inductor 240 mH inductor ANSWER DOWNLOAD EXAMIANS APP
Inductors Two inductors, L1 and L2, are in parallel. L1 has a value of 25 H and L2 a value of 50 H. The parallel combination is in series with L3, a 20 H coil. The entire combination is across an ac source of 60 Vrms at 300 kHz. The total rms current is 87 A 870 mA 87 mA 337 mA 87 A 870 mA 87 mA 337 mA 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 does not change is increased momentarily goes to zero is decreased does not change is increased ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is good open partly shorted shorted good open partly shorted shorted ANSWER DOWNLOAD EXAMIANS APP
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