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Electronic Principles

Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

-6
2
None of these
-3

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

8 V
15 V
None of these
16 V
7.5 V

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Electronic Principles
The merging of a free electron and a hole is called

Recombination
Covalent bonding
Lifetime
Thermal energy
None of these

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Electronic Principles
Who invented the first junction transistor?

None of these
Fisher
Smith
Shockley
Gomes

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

None of these
chemical cell
electric device
solar cell
thermocouple

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Electronic Principles
The graph of current gain versus collector current indicates that the current gain

varies enormously
equals the collector current divided by the base current
varies slightly
is contant
None of these

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