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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

None of these
Active
Nonlinear
Bipolar
Linear

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

4
1
None of these
2

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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?

2
43891
3
None of these
43922

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Electronic Principles
If a load resistance is 1 kW, a stiff voltage source has a resistance of

None of these
less than 10 Ohm
More than 100 k Ohm
At least 10 Ohm
Less than 100 k Ohm

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

14
4
29
48
None of these

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Electronic Principles
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?

300 µA
0.25 µA
None of these
250 µA
350 µA

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