Question

14. (a) Silver is the best conductor of electricity. Can you say why copper is preferred for making electric
wires?
(1)
(b) Pure water is a poor conductor of electricity while tap water is a good conductor. Explain. (2)
(2)
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Answer 1

Answer:

(a) Copper is preferred for making electric wires because It is conductor of electricity and Silver is very costly than copper so the copper is most used for making electric wires.

(b) Pure water is poor conductor of electricity while tap water is a good conductor because tap water contains dirt , dust so that electricity get conduct.

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