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Why the battery have spark?

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Myself1991

Lvl 1
15y ago
Updated: 8/17/2019

Batteries contain a metal in an electrolyte. A lot of them are lead/sulphuric that can store large numbers of electrons that are the source of electrical current flow in circuits. The battery when shorted has enough current to melt some of the metal with a flash of light. Touch a long screwdriver with an insulated handle across a good car battery and you can ruin the terminals and the screwdriver and you will get sparks. Please really don't do this on purpose. Read what Volta had to say about it.

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Wiki User

15y ago

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