Question

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Copper and aluminum wire are employed for electronic transmission, give reason about 5 marks ​

Answer 1

Answer:

Copper and aluminium wires are usually employed for electricity transmission because

1.These are extremely good conductors

2.They have a low value of resistivity.

these are ductile and can be drawn in the form of fine wiree.

3.They are extremely flexible and do not degrade under electrical transmission as do other metals.

4.They are less expensive than the best conductors, silver and gold.

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Answer 2

Answer:

Because copper and aluminium wires have less resistivity and they are economical .So they are used in electrical transmissions.

Also copper and aluminium are highly ductile.

i.e. they can be drawn into thin wires without breaking.

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