Electrical Engineering - Inductors
Exercise : Inductors - General Questions
- Inductors - General Questions
- Inductors - True or False
6.
A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current
7.
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?
219 k
66 k
660 k
1.3 M
8.
An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is
9.
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
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 is10.
An inductor, a 1 k resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is
resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage isQuick links
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