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Electronic Principles

Electronic Principles
A device that converts light energy to electrical energy is called a:

photodiode
thermocouple
photo transistor
None of these
solar cell

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Electronic Principles
A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

16 V
None of these
3 V
7.5 V
8 V

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Electronic Principles
At cut off, the Q point is at

lower end of the load line
upper end of the load line
middle of the load line
None of these
infinity

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Electronic Principles
A battery is a device composed of one or more:

voltage generators
piezoeletric cells
chemical cells
solar cells
None of these

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Electronic Principles
A transistor has how many doped regions?

2
None of these
1
4
3

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Electronic Principles
What is the barrier potential of a silicon diode at room temperature?

0.3V
1 V
0.7V
None of these
2 m V per degree Celsius

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