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You asked the question by using voltage in your question.

So here is the simple answer from the perspective of electricity.

Watts is a measure of power.

It is a simple equation V x A.

That is jargon for Volts times Amps.

That is different jargon for Potential Energy times the Current Flowing.

So a 12 volt supply like in your car, delivering 5 Amps to say a small in car TV is using 60 watts.

In your home a 60 watt bulb is being driven from your 110 volt supply and so is (in theory) only drawing about half an Amp

(0.5454 Amps recurring for decimal number fans).

Or 110 Volts x 0.54 Amps = 59.4 Watts

Watts is named after James Watt who made steam engines long before the domestic electric supply or in car TV was around.

So beware ! Watts is a measure of power.

Not just electrical power.

The equation above is true only really for DC power supplies (like a flashlight battery or maybe your car battery).

There are other definitions using good scientific phrases like Joules and energy conversion.

But as you asked in Volts, here is a simple answer.

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15y ago

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