What Is the Output Frequency of an Alternator That Contains

question 2

Multiple Choice

What is the output frequency of an alternator that contains six poles per phase and is turning at a speed of 1000 RPM?

• A) 0.72 Hz
• B) 7.2 Hz
• C) 50 Hz
• D) 20,000 Hz

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Definitions:

MSA

An abbreviation for Metropolitan Statistical Area, which is a geographical region with a relatively high population density at its core and close economic ties throughout the area.

Critical Value

A point on the scale of a test statistic beyond which the null hypothesis is rejected in favor of an alternative hypothesis.

Interaction Effect

A statistical phenomenon where the effect of one independent variable on a dependent variable depends on the level of another independent variable.

DfB

Degrees of Freedom Between groups, referring to the number of independent values in the calculation of variance between the different groups under study.