# Electrical Engineering - Inductors

Exercise : Inductors - General Questions
6.
A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current
is increased
is decreased
does not change
momentarily goes to zero
Explanation:
No answer description is available. Let's discuss.

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 Explanation:
No answer description is available. Let's discuss.

8.
An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is
good
open
shorted
partly shorted
Explanation:
No answer description is available. Let's discuss.

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
87 mA
870 mA
87 A
337 mA
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