railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Classification of Materials
Dielectric strength is an important property of insulating materials. Which of the following best describes the dielectric strength of a material?
1
The electrical conductivity of a material under stress
2
The maximum voltage a dielectric material can withstand without breaking down
3
The amount of heat a material can tolerate before melting
4
The resistance of a material to thermal expansion