whats the difference between a conductor and an insulator?
b) what is an example of a conuctor and an insulator?
Conductors allow electric current to pass through. Insulators don't.
Copper is a conductor. Glass, plastic and wood are insulators.
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The difference between a conductor and an insulator lies in their ability to conduct electricity.
A conductor is a material that allows the flow of electric charge or current through it. It has free electrons that can easily move within the material when an electric field is applied. This movement of electrons enables the transmission of electric current. Examples of conductors include metals like copper, silver, and gold, as well as materials like graphite.
On the other hand, an insulator is a material that does not allow the flow of electric charge freely. It hinders the movement of electrons, thus preventing the flow of electric current. Insulators have tightly bound electrons that are not easily influenced by an electric field. Common examples of insulators are rubber, plastic, glass, ceramic, and dry wood.
To identify a conductor or an insulator, you can perform a simple experiment. Take a circuit with a power source, such as a battery, and connect it with the material you want to test. If the material allows the current to flow, then it is a conductor. Conversely, if the material restricts or blocks the flow of current, it is an insulator.
It's important to note that while some materials are good conductors or insulators, many fall somewhere in between and are referred to as semiconductors. Semiconductors have moderate conductivity and are used in electronic devices like transistors and diodes.
Why is glass a good insulator?
a) The atom in the glass hold on tightly to their negatively charged particles
b) The atom in the glass hold on tightly to their positively charged particles
c) The atoms in the glass do not hold on tightly to their negatively charged particles