Answer :
Final answer:
Electric arcs result from strong electric fields creating conductivity in air, lightning rods protect buildings from excess charges, while Faraday cages shield objects from electric fields.
Explanation:
Explanation of Arcs in Electricity:
Electric arcs occur when a strong electric field causes the air to become conductive, leading to the flow of charges between conductors.
Lightning rods work by providing a path for excess charges on a building to dissipate harmlessly into the air during electrical storms.
Faraday cages shield objects from electric fields by preventing charge penetration inside.
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