# What supplies the voltage to the USB?

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The two outside contacts (of four contacts) are connected to the power supply in the computer.
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# At what voltage does a USB host supply power to the USB bus?

Pin 1 is 5 volts DC Pin 4 is ground.

# What voltages are supplied by the power supply on your system?

The usual voltages produced by the power supply in a standard personal computer system are 5 volts and 12 volts. For more information see the Related Link shown below.

# What is the USB voltage and power rating?

Clients have to accept 4.75 to 5.25V and must be able to send configuration data as low as 4.4V. Hubs are allowed to drop as much as 0.35V. By itself, a USB plug does not hav

# How do you solve low voltage supply?

Put a seprate transformer. It will solve this issue

# What voltages are supplies by the power supply on your system?

The power supply in a PC is a complex device using switch mode circuitry and transformers to generate +and- 12v, for modems and communications ports. +and-5volts for the logic

12 Vdc

# What supply voltage does a computer need?

At Least, 115 volts. Which is standard from a wall outlet. If should not matter how many volts your computer needs, but the watts does. For most computers they need anywhere f

# How much power can usb supply?

A standard USB port (non 3.0) can provide up to 500mAh of power. This is on full power mode. A 3.0 port can, if plugged into a 3.0 device, provide up to 900mAh if configure

Yes.

# What is the usb voltage output?

5 V +/- 0.25V (i.e. between 4.75 and 5.25 V)

# What is the definition of the voltage of a supply?

Depending on the power supply, +12, -12, +5, - 5 and ground. Some also use 3.3.

# What does a dual voltage power supply do?

It convert 220v or 115 to -12v and +12v by using many components and step down transformer.
In Computer Hardware

# How much voltage can a USB port on a PC typically supply?

5v
In Electrical Engineering

# What is amount of voltage supplied at night?

In theory, voltage should be the same around the clock. In practice you may get a tad higher voltage at nights, as there's less load on the system. With most people asleep, th
In Science

# What is the USB voltage output from PC?

A USB 3.0 connection provides about 5 volts DC (4.5 Vdc @ 0.9 A (4.5 Watts)
In Uncategorized

-24 vdc
In Motherboards

# What voltage supply is used in flashlights?

The power supply is always batteries. Many series and differentvoltages. The popular voltage is like imalent flashlight in2.8V--9V.