High voltage power supplies have many uses. It is most commonly used to supply power from a device to the circuit. These are great for people who need to supply their house with power.
The electrolytic capacitor is most often used in power supply circuits to filter the rectified AC.
No because they have different connectors.
The type of power supply being used (AC or DC) should match the power requirements of the device it will be supplying power to.
computer
Your battery.
it is used to supply power to motherboard and other peripherals
Yes. A Cat-5 line can be used to supply power to certain Ethernet Switches that support POE, or Power Over Ethernet.
The best power supply I've used is the Hurricane digital power supply, it has many features my favorite being that it remembers your last settings.
A power supply that is designed to be outside the case of the computer. Most laptop computers use an external power supply rather than an internal one to reduce size and weight while the laptop runs on battery power.
Variable DC power supplies are commonly used in electronics labs, production lines, and testing environments. They are used to power and test electronic devices such as electrical components, circuits, and sensors. Variable DC power supplies are also used in research and development for prototyping and experimenting with different voltage levels.
They supply power to the spacecraft during missions.