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Electronic Principles

Electronic Principles
How may valence electrons does a silicon atom have?

4
1
None of these
2

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

Reluctance
Permeability
Retentivity
There is no valid comparison
Permeance

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Electronic Principles
For normal operation of the transistor, the collector diode has to be

Reverse-biased
None of these
Forward-biased
Nonconducting
Operating in the breakdown region

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Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

None of these
-3
-6
2

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Electronic Principles
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?

E = PR
E = I2R
I = E/R
None of these
I = ER

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Electronic Principles
The direction of electron current flow is:

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

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