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The measure of loss of energy in a material is defined as _____

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The measure of loss of energy in a material is defined as _____

(a) Resistivity

(b) Dissipation factor

(c) Electric strength

(d) Conductivity

This question was posed to me in an interview.

I want to ask this question from Properties of Insulation topic in chapter Magnetic & Insulating Materials of Engineering Material & Metallurgy

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Correct answer is (b) Dissipation factor

To elaborate: Dissipation factor is defined as a measure of loss of energy in an insulating material. When this value is above the standard level, it results in overheating. This may also be caused due to a high value of the frequency of applied voltage or electric field strength.

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