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Electronic Principles

Electronic Principles
As the temperature increases, the current gain

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

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

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

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Electronic Principles
A loadstone is:

an artificial magnet
a temporary magnet
a natural magnet
a paramagnetic alloy
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?

37.4 V
30.4 V
None of these
35.4 V
38.74 V

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Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

36 V
40 V
None of these
0 V
60 V

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Electronic Principles
The equivalent of 1 megohms is:

100,000 ohm
1 k ohm
None of these
one million ohms
one-millionth of an ohm

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