piece of wire with spikes through which current can flow
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B
sbstance that can be charged by clouds
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C
metal rod with spikes, ending in a copper plate buried in the ground, fixed to a building to protect it from lightning
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D
copper plate buried in the ground below a building to protect it from lightning.
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Solution
The correct option is A piece of wire with spikes through which current can flow A lightning is a rod of wire that is fired to a exposed part of a building or other tall structure to divert lightning harmlessly into the ground.