Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

7.8 µA
14.8 µA
10.3 µA
7.75 µA
None of these

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Electronic Principles
What is a free electron?

None of these
An electron that costs nothing
An electron that has twice the amount of charge of a normal electron
An electron that has been freed from its parent atom
An electron that has no electrical charge

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