To power all the components of a computer.
It is to power your computer and keep it running.
cooling the power supply circuity
To supply the power to the drill.
To provide power to the power supply which in turn powers the motherboard.
A UPS is an abbreviation for an "Uninterruptible Power Supply". The purpose of this device is to provide power when the main power source fails. UPS battery backups are used to provide power for computers, data centers and various other types of equipment. Typically the back-up is used with equipment that cannot have a disruption in the power supply, or equipment which may be damaged if there is a disruption in the power supply.
because the termination and relays in side the telecoms penal needs for DC supply to continues the protection equipment and relay and purpose of telecoms
theperpose of a power supply is to step up or step down an ac voltage to a desired dc value
To supply electricity in the event that the main power supply is unavailable and electricity is needed, or when it is impossible to connect everything that needs electricity to an outlet.
Need more information - a typical regulated power supply would include dozens of resistors, each for one of several different reasons. Which resistor are you asking about?
Simply to provide a backup supply should the main supply from the water company be cut off
It is to allow your computer to run without having to keep it charging right next to a socket all dayThe main purpose of a power supply is to distribute the right amount of power to all the components of a computer.
To provide power to a circuit board or fan
The hardware in a computer need electric to run, this gives it the power that all the hardware needs and each connector has a certain voltage.