2 Properties of Dielectric materials

What is a dielectric material?

• a) A material with high electrical conductivity

• b) A material that allows the free flow of electric current

• c) A material that exhibits insulating properties

• d) A material used for heat dissipation

What is the primary function of a dielectric material in electrical systems?

• a) To conduct electricity

• b) To store electrical energy

• c) To provide mechanical support

• d) To reduce power losses

What is the dielectric constant of a material?

• a) Its ability to conduct electricity

• b) Its ability to store electrical charge

• c) Its ability to withstand high temperatures

• d) Its ability to insulate against electric fields

Which property of a dielectric material determines its ability to store electrical energy?

• a) Dielectric strength

• b) Dielectric constant

• c) Dielectric loss

• d) Breakdown voltage

What is dielectric strength?

• a) The ability of a material to conduct electricity

• b) The ability of a material to withstand high temperatures

• c) The ability of a material to insulate against electric fields

• d) The ability of a material to resist mechanical stress

What is dielectric breakdown?

• a) The ability of a material to conduct electricity

• b) The ability of a material to withstand high temperatures

• c) The failure of a dielectric material to insulate against electric fields

• d) The ability of a material to resist mechanical stress

What is the dielectric loss of a material?

• a) The ability of a material to conduct electricity

• b) The ability of a material to store electrical charge

• c) The ability of a material to withstand high temperatures

• d) The dissipation of electrical energy as heat in a dielectric material

Which property of a dielectric material determines its ability to withstand high voltages?

• a) Dielectric strength

• b) Dielectric constant

• c) Dielectric loss

• d) Breakdown voltage

What is the breakdown voltage of a dielectric material?

• a) The voltage at which a dielectric material conducts electricity

• b) The voltage at which a dielectric material becomes magnetic

• c) The voltage at which a dielectric material fails to insulate

• d) The voltage at which a dielectric material reaches its maximum charge storage capacity

Which of the following is an example of a common dielectric material?

• a) Copper

• b) Aluminum

• c) Glass

• d) Steel