A Regulator Output Changes from +12

question 14

Multiple Choice

A regulator output changes from +12.1 V with no load to +11.9 V at the rated current of 2.0 A. The load regulation can be expressed as

• A)1.12%/A
• B)3.36%/A
• C)1.68%/A
• D)0.84%/A

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Definitions:

Durbin-Watson Test

A statistical method designed to identify the existence of autocorrelation with a single lag in the residuals resulting from a regression study.

Positive Autocorrelation

A statistical property of a series indicating that values close together in time are positively correlated and tend to move in the same direction.

Durbin-Watson Statistic

A statistical measure employed to identify autocorrelation within the residuals of a regression analysis.

Independence of Errors

An assumption in statistical models indicating that the error terms are not correlated with each other.