Question

The Unit of Dielectric Strength
The unit of dielectric-strength _____________ (a) kV/mm (b) Joules/metre2 (c) Coulomb/metre2 (d) Nw/Km.

Answer 1

The unit of dielectric-strength  kV/mm 
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(a) kV/mm 

Answer 2

Answer:

The correct answer is option (a) kV/mm.

Explanation:

The Unit of Dielectric Strength kV/mm

• Dielectric strength exists described as the electrical strength of insulating material. In a strong electric field, the insulating effects of an insulator break down allowing the flow of charge.
• Dielectric strength exists estimated as the maximum voltage needed to create a dielectric breakdown through a material.
• Dielectric strength exists as the highest voltage that can be applied to a given material without causing it to break down, usually described in volts or kilovolts per unit of thickness.

Therefore, the correct answer is option (a) kV/mm.

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