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Inductors
The winding resistance of a coil can be increased by
changing the core material
increasing the number of turns
using a thinner wire
increasing the number of turns or using thinner wire
changing the core material
increasing the number of turns
using a thinner wire
increasing the number of turns or using thinner wire
Answer
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Related Question
Inductors
The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately
155 μH
6.9 μH
2.2 μH
14 μH
155 μH
6.9 μH
2.2 μH
14 μH
Answer
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Inductors
A 240 H inductor is equivalent to a
0.000240 mH inductor
240 mH inductor
0.240 mH inductor
240 H inductor
0.000240 mH inductor
240 mH inductor
0.240 mH inductor
240 H inductor
Answer
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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
337 mA
87 A
87 mA
870 mA
337 mA
87 A
87 mA
870 mA
Answer
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Inductors
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
6 V
12 V
0 V
4 V
6 V
12 V
0 V
4 V
Answer
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Inductors
An inductance of 0.08 μH is larger than
0.000000008 H
0.000008 H
0.00008 mH
0.0000008 H
0.000000008 H
0.000008 H
0.00008 mH
0.0000008 H
Answer
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