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Electronic Principles

Electronic Principles
How many protons does the nucleus of a silicon atom contain?

None of these
4
29
14
48

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Electronic Principles
What kind of battery is most likely included in a cordless electric knife?

Lead-acid battery
Mercury-cell battery
Nicad battery
Zinc-carbon battery
None of these

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Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

P = IE
P = E2/R
I = P/E
P = I2R
None of these

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Electronic Principles
The graph of current gain versus collector current indicates that the current gain

equals the collector current divided by the base current
None of these
varies enormously
varies slightly
is contant

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Electronic Principles
The valence electron of a copper atom experiences what kind of attraction toward the nucleus?

None of these
Strong
Weak
Neutral
Impossible to say

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

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