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Metal, and Iron
human body is good conductor of electricity.For our safety electric tool are coated with insulating materials.
Because Styrofoam contains many tiny pockets of air it is a good insulating material. Heat transfer is hindered because the molecules are not able to move around much because of the millions of little air pockets.
Silicon is a type of substance you can use as a insulating material for a hot mitt.
An insulating material such as rubber.
It is a bad conductor of heat, that is why it is used as an insulating material.
For an insulating material dielectric strength and dielectric loss should be respectively
Freely moving electrons make materials more conductive, and less insulating.
Ceramic
Copper rod is covered by insulating materials, because copper is good conductor of electricity when we touch copper rod we get shock and insulators are bad conductor of electricity hence copper rod is covered by insulating materials
Depends what you are insulating against but bubble wrap can be good a insulating.
For an insulating material dielectric strength and dielectric loss should be respectively high or low