How many volts are in a 100 amp?

For example a current of 2 Amps flowing through a bulb with 12 Volts across it generates 24 watts of power. In the UK, domestic power is supplied at 240 Volts. A 100 Watt bulb will therefore draw a current of 100/240 Amps (about 0.4A).

Updated: 20th September 2018

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