The Effect of a Harmonic on the Current Flowing in the Supply

question 1

Multiple Choice

The effect of a harmonic on the current flowing in the supply conductors is approximately ____ percent.

• A) less than 1
• B) 3-5
• C) 10-20
• D) 80-90

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, which describes the range that the true value lies within with a certain level of confidence.

Confidence Coefficient

The probability level, associated with a confidence interval, that the true parameter lies within the interval.

Interval Estimation Procedure

A method of estimating the range of values where a population parameter lies, based on sample statistics.