Question:
Ability of Electrical insulator to resist the electrical breakdown is called
Ability of Electrical insulator to resist the electrical breakdown is called
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Dielectric strength tells how much electric stress an insulator can withstand before breakdown.
Updated On: May 7, 2026
- Dielectric constant
- Dielectric Strength
- Polarization
- Loss factor
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The Correct Option is B
Solution and Explanation
Concept:
Dielectric strength is the maximum electric field that an insulating material can withstand without electrical breakdown.
Step 1: An electrical insulator is a material that does not allow current to pass easily.
Step 2: When very high voltage is applied, even an insulator can fail and allow current to pass.
Step 3: This failure of insulation is called electrical breakdown.
Step 4: The ability of an insulating material to resist this breakdown is called dielectric strength.
Step 5: Dielectric constant is related to energy storage, polarization is related to displacement of charges, and loss factor is related to dielectric losses. Therefore, the correct term is: \[ \boxed{\text{Dielectric Strength}} \]
Step 1: An electrical insulator is a material that does not allow current to pass easily.
Step 2: When very high voltage is applied, even an insulator can fail and allow current to pass.
Step 3: This failure of insulation is called electrical breakdown.
Step 4: The ability of an insulating material to resist this breakdown is called dielectric strength.
Step 5: Dielectric constant is related to energy storage, polarization is related to displacement of charges, and loss factor is related to dielectric losses. Therefore, the correct term is: \[ \boxed{\text{Dielectric Strength}} \]
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