Electronic Principles
The peak value of a sine waveform is:

the amplitude at 1.41 times the maximum value
None of these
the maximum positive or negative value
the amplitude at 90% of the maximum value
the amplitude at 70.7% of the maximum value

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

The total current in a parallel circuit is always less than the smallest amount of current
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
None of these
The same current always flows through every part of a parallel circuit
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

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Electronic Principles
What is a free electron?

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

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