Electronic Principles
Waveforms are graphs that show:

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
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

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

The algebraic sum of currents entering and leaving a point is equal to zero
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
None of these
The total resistance of a parallel circuit is less than the value of the smallest resistance

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Electronic Principles
The total capacitive reactance of a parallel capacitor circuit is:

less than the capacitance value of the smallest capacitor
equal to the sum of the individual capacitance values
equal to the sum of the individual capacitive-reactance values
None of these
equal to the source voltage divided by total current

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