Does a 220 volt 20 watt bulb use the same amount of power as a 12 volt 20 watt bulb?

Does a 220 volt 20 watt bulb use the same amount of power as a 12 volt 20 watt bulb?

No matter the voltage is high or low, the power consumption is the same. Only the current of low voltage (12V) is higher

3W LED light how much electricity an hour to use. It is best to have a formula. Find an accurate answer
How much electricity can 3W led replace 3W energy-saving lamp in one hour.

One kilowatt hour is one kilowatt hour
Therefore, 3W LED lamp consumes 0.003 degree of electricity per hour

How many hours does a 50W light bulb last
What's the best way to do it

One kilowatt hour is one kilowatt hour, that is, time times power equals one thousand watts
50W consumes 1 kwh in 20 hours
100W consumes 1 kwh in 10 hours
1000W consumes one kilowatt hour

The test power consumption of Master Lu is 114 watts. If the electricity charge is 1 yuan per hour, how much is the electricity charge for 24 hours? What is the calculation formula?

One kilowatt hour, one kilowatt hour and one kilowatt hour
1kW = 1000W
More than 2 kilowatts of electricity in 24 hours, more than 1 yuan of electricity charge (residential electricity price)