Harmonics on Single-Phase Powerlines Are Generally Caused by a Device Such

question 13

Multiple Choice

Harmonics on single-phase powerlines are generally caused by a device such as a _____.

• A) ​triac light dimmer
• B) lamp with an incandescent bulb
• C) single-speed motor
• D) ​heater

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Definitions:

Indicator Variable

A binary variable that takes the value of 0 or 1 to indicate the absence or presence of some categorical effect that may be expected to shift the outcome.

Logistic Regression

A statistical method used for binary classification that estimates the probability of a binary response based on one or more predictor variables.

Binomial Probability

The probability of obtaining a fixed number of successful outcomes in a fixed number of trials, each with the same probability of success.

Logistic Regression

A statistical method for analyzing a dataset in which there are one or more independent variables that determine an outcome. The outcome is measured with a dichotomous variable (where there are only two possible outcomes).