what are the properties of insulators and conductors?

Answer 1

insulators will shield electricity and conductors allow electricity to flow through and semi conductors have a little resistance and limit to how much voltage flows through them

Answer 2

An insulator is an object which contains no free electrons to permit the flow of electricity. When a voltage is placed across an insulator, no current flows.Electrical insulation is the absence of electrical conduction.Insulators are characterized by having a large energy band gap. This is because the filled valence band is very distant from the empty conduction band. For conduction to take place electrons must be transferred from the valance band to the conduction band. Since the energy band gap is very high for insulators huge anount of energy has to be given to the material to excite an electron so that it reaches the conduction band. The typical value of band gap in an insulator is 6eV.
A conductor is a material which allows the easy passage of current through it. In a conductor the energy band gap is absent, that is, the valance and conduction bands overlap each other. Hence even when a very small amount of energy is applied to the material the electron is excited from the valance to conduction band. This results in the easy conduction of electricity and hence the name.

Answer 3

Properties Of Insulators

Answer 4

Conducting materials are those which can conduct large amount of heat and electricity. The conducting property of the solid is due to the presence of free electrons r valance electrons called as conduction electrons. Hence in metals the electrical conductivity depends on the number of free electrons. They possess the following outstanding properties.

1. High electrical and thermal conductivity.

2. They obey Ohm s law at steady state.

3. They obey Wiedemann-Franz law.

4. They exhibit the phenomenon of superconductivity.

5. There is no electric field inside a conductor.

6. Charges exist only on the surface of a conductor.

7. All points of a conductor are at the same potential.

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Answer 5

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what are the properties of insulators and conductors?

Answer 6

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Good electrical conductors (iron, copper, silver, etc.) can readily carry a flow of electrons under pressure (voltage) because the atoms are surrounded by electrons that form a cloud that is free to move. Push a million electrons in one end of a wire and another million electrons are pushed out the other end (back to the battery). All along the wire electrons within the cloud are being pushed along. The pushing occurs nearly at the speed of light but individual electrons move along relatively slowly depending upon the total current (in amps). A good electrical insulator (glass, mica, stone, air, etc.) has a stingy cloud of electrons that resist being pushed along.

Answer 7

different materials have different electronic configurations
in conductors the electrons i.e the valence electrons are free like a gas and hence they conduct heat and electricity
in insulators the electrons are bound and they are not capable of conducting
however if a large potential is applied the bonds breal and conduction is possible but the material is damaged

Answer 8

properties insulators conductors

Answer 9

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Answer 10

The number of valence electrons3 or less electrons in the valence band is a conductor. 5 or more electrons in the valence band makes a insulator. If you have 4 electrons in the valence band, you have a semiconductor.