Normal voltage for 120volt outlets is 110v to 130v. It would vary depending on the length and size of the wire to the nearest power company transformer, and the different voltage terminals on the transformer that the power company connects.
A power supply receives 120 volts of AC power from a wall outlet and converts it to 3.3, 5, and 12 volts of DC power.
In Canada and the United States, wall outlet voltage is standardized at 110 to 120 volts (anywhere in that range is considered "OK"). In Europe - most of the rest of the world, actually - it is standardized at 220 volts.
Residential applications are around 110v to 120v, 220-240v, in this range, its 120 volts nominal to a typical wall outlet, however you may read anywhere from 110volts to 120 volts or so, the highest I have seen personally in residential was 245volts.
A dedicated wall outlet is the only one on the circuit.
Different plugs are designed so that you can't plug an appliance into the wrong voltage. A dryer is usually 220-240 Volts and your standard outlet is 110-120 Volts. You can't do what you suggest.
A power supply receives 120 volts of AC power from a wall outlet and converts it to 3.3, 5, and 12 volts of DC power.
Usually 110 volts
Usually 110 volts
All over Europe we got 230 volts AC and 50 Hz. That is where Germany is situated.
Go buy a book about household AC power and "How to do Wiring Safely".
Household is 120/240 volts at 60Hz. The average wall socket is 120v 60Hz.
In Canada and the United States, wall outlet voltage is standardized at 110 to 120 volts (anywhere in that range is considered "OK"). In Europe - most of the rest of the world, actually - it is standardized at 220 volts.
120 volt one phase means that the electrical system operates at a voltage of 120 volts and is supplied by a single phase of alternating current. This type of power supply is commonly used in residential settings and for smaller electrical devices.
Residential applications are around 110v to 120v, 220-240v, in this range, its 120 volts nominal to a typical wall outlet, however you may read anywhere from 110volts to 120 volts or so, the highest I have seen personally in residential was 245volts.
A dedicated wall outlet is the only one on the circuit.
We know that Voltage = Current x Resistance, so if E = I x R, then E = 20 x 12 = 240 volts, and the dryer must be plugged into a 240 volt outlet.
A charger (like cable - plugs into an outlet) and charges from an outlet on the wall...?