Electronic Principles
What is one important thing transistors do?

None of these
Amplify weak signals
Emit light
Regulate voltage
Rectify line voltage

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Electronic Principles
What is a free electron?

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

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Electronic Principles
Which one of the following statements is true for current flowing in a parallel circuit?

The same current always flows through every part of a parallel circuit
None of these
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The total current in a parallel circuit is always less than the smallest amount of current

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