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Electronic Principles

Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

Bipolar
Linear
Active
None of these
Nonlinear

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Electronic Principles
The direction of electron current flow is:

from positive to negative
from neutral to positive
from negative to positive
None of these
from right to left

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Electronic Principles
What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding?

43922
3
43891
None of these
2

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

None of these
armature
brush
commutator
loop

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Electronic Principles
The net charge of a neutral copper atom is

1
None of these
-1
4

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Electronic Principles
Holes act like:

Crystals
Negative charges
Positive charges
Atoms
None of these

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