Electronic Principles
What is a free electron?

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

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

The actual frequency of a sine waveform is 1.41 times the working frequency
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
None of these
The higher the amplitude of a waveform, the higher its frequency
The longer the period of a waveform, the lower its frequency

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

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

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