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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
As the temperature increases, the current gain

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

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Electronic Principles
To get the Thevenin voltage, you have to

Open the voltage source
Short the load resistor
None of these
Open the load resister
Short the voltage source

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

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

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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
varies enormously
None of these
is contant
varies slightly

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Electronic Principles
A device that converts mechanical into electrical energy is?

chemical cell
thermocouple
None of these
generator
solar cell

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