Explain The 20- practical
application of heat insulators
gining supporting diagrams
from net.
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How many of you have experienced a feeling of electric shock while opening the door of your car? Or while coming in contact with a household appliance? Well, wasn’t that a scary experience? But, why does that happen? Also, why don’t we get a similar experience when we contact wooden materials? It is because wood is an insulator while metal is a conductor. When we come in contact with a conductor, there occurs a flow of electrons from one body to another. This is the reason we experience shock. Shock is basically a mini feeling of current passing through the body. Let us learn more about conductors and insulators.
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What are Conductors?
Conductors are the materials or substances which allow electricity to flow through them. They conduct electricity because they allow electrons to flow easily inside them from atom to atom. Also, conductors allow the transmission of heat or light from one source to another.
Metals, humans, earth, and animals are all conductors. This is the reason we get electric shocks! Moreover, the human body is a good conductor. So it provides a resistance-free path for the current to flow from wire to body.
Conductors have free electrons on its surface which allow current to pass through easily. This is the reason why conductors are able to conduct electricity.
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