Question

A thick copper strip is used in a lightning conductor?

Answer 1

Thick copper strip is used for lightning conductors on tall buildings like church spires.

A thick copper strip is used in a lightning conductor because copper is a very good conductor of electricity and when lightning falls on it , it sends it directly to the ground ,so that there is no destruction

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Answer 2

because copper is a good conductor of electricity and also cheap comparatively than silver or gold.