Which of the following materials is a good insulator? A. steel B. aluminum C. glass D. copper

Which of the following materials is a good insulator? A. steel B. aluminum C. glass D. copper
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Answer: C
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Is copper insulator or conductor?

Description : Is copper insulator or conductor?

Last Answer : Conductor, which is why it's used for wires.

Is a copper wire a insulator or conductor?

Description : Is a copper wire a insulator or conductor?

Last Answer : conductor

Is a copper penny a insulator?

Description : Is a copper penny a insulator?

Last Answer : Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators. So no, a penny is a conductor, not an insulator.

Is a glass microscope slide a insulator?

Description : Is a glass microscope slide a insulator?

Last Answer : a glass microscope slide is an insulator

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Last Answer : (4) Glass Explanation: Insulators are materials that do not allow the transfer or that slow the transfer of heat or electricity. Some of the examples of insulators are: glass, plastic, rubber, porcelain, wood, ceramic, dry air, etc.

Ordinary glass is not a/an (A) Amorphous isotropic material (B) Supercooled liquid (C) Material with sharp definite melting point (D) Electrical insulator

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Last Answer : (C) Material with sharp definite melting point

Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

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Last Answer : Glass

The resistance of most conducting materials will change as a result of temperature change. The resistance of copper will _____________. A. increase as temperature decreases B. decrease as temperature decreases C. remain the same between 20°F and 110°F D. remain the same between 68°F and 230°F

Description : The resistance of most conducting materials will change as a result of temperature change. The resistance of copper will _____________. A. increase as temperature decreases B. decrease as temperature decreases C. remain the same between 20°F and 110°F D. remain the same between 68°F and 230°F

Last Answer : Answer: B

Which of the listed groups of electrical insulation materials is best suited for the highest operating temperatures? A. impregnated cotton and silk B. unimpregnated paper and cotton C. pure glass and quartz D. mica and porcelain with bonding agents

Description : Which of the listed groups of electrical insulation materials is best suited for the highest operating temperatures? A. impregnated cotton and silk B. unimpregnated paper and cotton C. pure glass and quartz D. mica and porcelain with bonding agents

Last Answer : Answer: C

Is steel a good good insulator?

Description : Is steel a good good insulator?

Last Answer : No, you could not describe it as an insulator, though it is lessconductive than many other metals like copper, silver, andaluminum. You may be thinking of insulating flasks made ofstainless steel. These work because they are double skinned, on thesame principle as a thermos flask.

Is steel a good good insulator?

Description : Is steel a good good insulator?

Last Answer : No, you could not describe it as an insulator, though it is lessconductive than many other metals like copper, silver, andaluminum. You may be thinking of insulating flasks made ofstainless steel. These work because they are double skinned, on thesame principle as a thermos flask.

Which is a better insulator, steel or wood garage doors?

Description : Which is a better insulator, steel or wood garage doors?

Last Answer : Depends upon your need or preferance. 2 sided insulated doors with nylon rollers are very quiet and smooth operating when installed correctly. Non-insulated (hollow doors are less ridged and produce ... lube and washing occasionally. I think Wood is the better insulator than steel for garage doors

Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x) Ice readily sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator

Description : Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x ... sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator 

Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE 

Earth wire or ground wire is made of: a) copper b) aluminium c) iron d) galvanized steel

Description : Earth wire or ground wire is made of: a) copper b) aluminium c) iron d) galvanized steel

Last Answer : Ans: D

In the illustrated amplifier, the base of the transistor is what type of material? EL-0022 A. N type B. P type C. metal oxide insulator D. alloy junction material

Description : In the illustrated amplifier, the base of the transistor is what type of material? EL-0022 A. N type B. P type C. metal oxide insulator D. alloy junction material

Last Answer : Answer: A

A 'dielectric' is a/an ________________. A. electrical insulator B. current flow C. good conductor D. semiconductor material

Description : A 'dielectric' is a/an ________________. A. electrical insulator B. current flow C. good conductor D. semiconductor material

Last Answer : Answer: A

A semiconductor is a material with a _____________. A. conductivity higher than a normal conductor B. conductivity higher than a normal insulator C. high conductivity at low temperatures D. low conductivity at high temperatures

Description : A semiconductor is a material with a _____________. A. conductivity higher than a normal conductor B. conductivity higher than a normal insulator C. high conductivity at low temperatures D. low conductivity at high temperatures

Last Answer : Answer: B

What is the material of cap, pin, and insulator?

Description : What is the material of cap, pin, and insulator?  

Last Answer : Cap = galvanised cast iron Pin = forged steel pin Insulator = porcelain. 

How cap and pin attached to insulator?

Description : How cap and pin attached to insulator? 

Last Answer : By cementing.  

What you mean by insulator? What are the qualities of good insulator?

Description : What you mean by insulator? What are the qualities of good insulator? 

Last Answer : A substance, which will not allow the flow of electric current to pass through it is called the insulator. The conductance and conductivity is zero in insulators. Insulators are used ... . That is resistance decreases with increasing temperature h. It should have high dielectric strength 

What light that strikes the following materials clear plastic aluminum foil and tissue paper?

Description : What light that strikes the following materials clear plastic aluminum foil and tissue paper?

Last Answer : What is the answer ?

Which of the following building materials has the HIGHEST thermal conductivity? w) Southern pine wood x) common brick y) aluminum z) gypsum board or drywall

Description : Which of the following building materials has the HIGHEST thermal conductivity? w) Southern pine wood x) common brick y) aluminum z) gypsum board or drywall

Last Answer : ANSWER: Y -- ALUMINUM