Does a desktop computer which has a 300 watt power supply,consume 0.03kw per hour ?
The computer only uses what it needs. The 300w power supply means that it can supply up to 300 w at any given time. Unless you are gaming or rendering videos, there is little chance that it will use all 300w. How much it uses is dependent on how hard it has to work. It isn’t like a light bulb that puts out a constant wattage.
