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Inductors

Inductors
An inductance of 0.43 mH is smaller than

430 μH
43 μH
0.00043 H
0.05 H

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Inductors
An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is

100 mA
10 mA
1 A
1 mA

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Inductors
An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is

partly shorted
good
shorted
open

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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

248 μH
32 μH
64 μH
8 H

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Inductors
A 240 H inductor is equivalent to a

0.240 mH inductor
240 mH inductor
0.000240 mH inductor
240 H inductor

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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?

66 kΩ
1.3 MΩ
660 kΩ
219 kΩ

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