Which one of the elements given below is a poor conductor of electricity?
a.Magnesium
b.Calcium
c.Sulphur
d.Platinum
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Answer:
The answer is c. Sulphur
Explanation:
As Sulphur is a non metal, it is a poor conductor of electricity ( as we know that non metals are poor conductors of heat and electricity ) while magnesium, platinum and calcium are all metals which are good conductors of electricity.
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