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Take the wattage of the bulb and divide that by the voltage of the bulb. This will give the current the bulb draws.

Amps are a measure of charge (electron) at an instant of time through a conductor. In an incandescent bulb the filament is heated by the current and the characteristics of the filament, usually tungsten, is that it gives off light when heated.

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12y ago

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What draw in amps is a standard brake light?

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