Which of the Following Substances Attract Water Molecules

question 40

Multiple Choice

Which of the following substances attract water molecules?

• A)a nonpolar substance
• B)a polar substance
• C)an ionic substance
• D)Both polar and ionic substances.
• E)All of the above will attract water molecules.

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Definitions:

Compensating Winding

A winding used in electrical machines to reduce unwanted effects of armature reaction, improving performance.

Neutral Plane

The region in a rotating electrical machine where the magnetic field does not induce any electromotive force in the armature.

Synchronous Winding

A winding configuration in an electric machine that operates at a speed directly proportional to the frequency of the electric power supply.

Repulsion Motor

A type of single-phase motor that uses repulsion of magnetism to operate.