The Instantaneous Value of a Sine Wave Is

question 9

Multiple Choice

The instantaneous value of a sine wave is:

• A) constantly changing
• B) 0.707 of its peak value.
• C) equivalent to a like DC value
• D) equal to 1.414 of the rms value.

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Definitions:

Dependent Variables

Variables in an experiment that are expected to change as a result of manipulations in the independent variables.

Confounding Variables

Factors other than the independent variable that may cause a change in the dependent variable, potentially skewing results in an experiment.

Control Groups

In experiments, the groups that do not receive the experimental treatment and are used as a baseline to compare the effects of the treatment.

Treatment Groups

In experimental research, groups of participants receiving the intervention or treatment being tested, as opposed to control groups which receive no treatment or a placebo.