Electronic Principles
What is one important thing transistors do?

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

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Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

The total voltage in a parallel circuit is less than the value of the smallest voltage
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
The algebraic sum of voltages in a loop is equal to zero
The algebraic sum of voltages entering and leaving a point is equal to zero
None of these

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