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Question
Which of the following materials would you prefer while making an electric wire?
Which of the following materials would you prefer while making an electric wire?
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Solution
The correct option is C Aluminium
An electric wire is
- Ductile - Property of substance to be drawn into wires.
- Electrical conductor - Ability of a material to allow the passage of electric current.
Both these properties are of metals.
Among the given options, Phosphorus and carbon are non-metals. So they cannot be used to make electric wires.
On the other hand, sodium and aluminium are metals. But sodium is non-ductile, hence, cannot be used to make electric wires.
So, aluminium is the correct answer.
An electric wire is
- Ductile - Property of substance to be drawn into wires.
- Electrical conductor - Ability of a material to allow the passage of electric current.
Among the given options, Phosphorus and carbon are non-metals. So they cannot be used to make electric wires.
On the other hand, sodium and aluminium are metals. But sodium is non-ductile, hence, cannot be used to make electric wires.
So, aluminium is the correct answer.
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