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Electronic Principles

Electronic Principles
Holes act like:

Negative charges
Crystals
Positive charges
Atoms
None of these

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Electronic Principles
Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?

35.4 V
37.4 V
30.4 V
None of these
38.74 V

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Electronic Principles
As the temperature increases, the current gain

decreases
increases
contant
None of these
can be any of the above

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Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

Ammeter
Ohmmeter
Voltmeter
Wattmeter
None of these

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Electronic Principles
What is the smallest number of polarities required for current flow?

Two - a negative terminal and a positive terminal
One - a negative terminal
None of these
Three - negative, positive and neutral terminals
Four - two negative and two positive

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Electronic Principles
A transistor has how many doped regions?

4
1
2
3
None of these

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