The Purpose of the M Contact Shown in the Circuit

question 17

Multiple Choice

The purpose of the M contact shown in the circuit is to:

• A)open the circuit in the case of a motor overload.
• B)start the motor from a remote location.
• C)keep the starter coil energized when the start button is released.
• D)keep the starter coil de-energized when the start button is released.

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Definitions:

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, showing how one may predict the other.

Naturalistic Observation

The study method where subjects are observed in their natural environment without any manipulation by the observer.

Dependent Variable

In experimental and statistical research, the variable being tested and measured, which is expected to change as a result of manipulations to the independent variable.

Independent Variable

In experimental research, the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable.