Electronic Principles
Current can flow through a normally open push button switch as long as:

you are not pressing the button
its contact remain open
None of these
you are pressing the button
its contact remain open

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Electronic Principles
The peak value of a sine waveform is:

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

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Electronic Principles
Waveforms are graphs that show:

amplitude on the vertical axis and frequency on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis
None of these
amplitude on the vertical axis and the passage of time on the horizontal axis

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

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