16.Give reason why: (a)Copper metal is used for making electric wires. (b) graphite is used for making electrode in a dry cell.
Answers
Answer:
(a) Copper is used for making electrical wires that are used by your New Haven electrician due to its properties that make it an ideal metal for this purpose. ... Excellent Conductor of Electricity: Copper is an excellent conductor of electricity; no other metal can compete with it in terms of electrical conductivity.
(b) Graphite is used as an electrode in the dry cell. Graphite is used as an electrode because it conducts electricity without taking part in the chemical reaction.
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Answer:
As we know Silver is a good conductor followed by gold and then by copper. So we Cant use AG and AU as wires because of their high cost.So copper is used.
And as Graphite is the allotrope of carbon having dark colour,it is also good conductor of electricity.So Graphite is used as electrodes in dry cells.
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