In the English System of Measure, Magnetic Strength Is Measured

question 13

Multiple Choice

In the English system of measure, magnetic strength is measured in terms of _____.

• A) residual magnetism
• B) reluctance
• C) permeability
• D) flux density

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Definitions:

Trichromatic Theory

A theory of color vision that explains how humans perceive color through the response of three types of cones sensitive to different wavelengths.

Retinex Theory

A theory that suggests the human brain perceives colors in a scene in a way that is independent of lighting by comparing different spectral wavelengths.

Sound Waves

Sound waves are vibrations that travel through the air or another medium, which can be heard when they reach a person's or animal's ear.

Amplitude

The magnitude or intensity of a fluctuating signal, such as sound, light, or an electric current, often measured from its rest position to its peak.