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Electronic Principles

Electronic Principles
The equivalent of 1 kV is:

1.00 V
100 mV
1000 V
1000 mV
None of these

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit?

Number of lines of force
Reluctance
Flux density
Magnetomotive force
None of these

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Electronic Principles
The rotating coil of wire in an electric motor is called the:

loop
armature
commutator
brush
None of these

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Electronic Principles
When the Q point moves along the load line, the voltage increases when the current

None of these
Increases
Can be any of above
Decreases
Stays the same

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Electronic Principles
The net charge of a neutral copper atom is

None of these
1
-1
4

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Electronic Principles
A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?

0.4 V
600 V
4.73
24 V
None of these

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