A Square Wave Voltage Varies Between 0 V and 12

question 2

Multiple Choice

A square wave voltage varies between 0 V and 12 V. The positive pulses are 50 μ s wide and there is a 50 μ s gap between them. What is the DC average of the waveform?

• A) 3 V
• B) 4 V
• C) 6 V
• D) 9 V

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Definitions:

False Alarm

An incorrect signal indicating that a certain condition or attribute has been detected when it has not.

Control Charts

Statistical tools used in quality control to monitor a process and identify when it is out of control, through the plotting of data points in time order.

Gradual Shift

A slow and steady change or movement in position, opinion, or condition over time.

Piston Rings

Circular components that fit into grooves on the outer diameter of a piston in an engine to seal the combustion chamber, control oil consumption, and manage heat transfer.