A Specific, Measurable Definition of a Variable for the Purpose

question 126

Multiple Choice

A specific, measurable definition of a variable for the purpose of a scientific study is known as a(n) :

• A) idea definition.
• B) theory.
• C) hypothesis.
• D) operational definition.

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Definitions:

Phase Voltages

The voltages that exist between each phase and neutral in a polyphase system, such as those found in three-phase electrical systems.

Inductors

Components in an electrical circuit designed to add inductance, typically consisting of a coil of conducting wire.

Capacitors

Electrical components used to store charge and energy in an electric field, crucial in filtering, buffering, and energy storage applications.

Three-Phase Connection

A method of electrical power distribution using three alternating currents of the same frequency and amplitude, which are phase-shifted to ensure continuous power delivery with minimal loss.