The Value of a AC Sine Wave at Any Instant

question 64

Multiple Choice

The value of a AC sine wave at any instant can be represented by:

• A)a phasor whose angle and magnitude are representative of the AC signal.
• C)a graph of the voltage or current vs. the angular measurement.
• D)all of these.

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Definitions:

Mechanical Calculator

A device used to perform automatic mathematical operations, developed before the advent of electronic calculators.

Astronomical Tables

Charts or tables that present the positions of celestial bodies at various times, used for navigation, astrology, and astronomy.

Steam-powered

Refers to machines or vehicles that operate using the power generated by steam, historically significant in the industrial revolution for powering locomotives, ships, and factories.

VisiCalc

The first spreadsheet computer program for personal computers, which prompted the growth of the home computer as a business tool through its financial modeling capabilities.