AC - use a step-down transformer. DC - simplest but most wasteful, use a dropping resistor (in series). Otherwise it is costly.
Get yourself a 1:4 step up transformer.
Yes, that's exactly what it's designed to do.
You need a 110 v to 220 v transformer, which will be inexpensive for supplying an alarm clock. That steps up the 110 v suppy into 220 v for the clock.
No conversion needed. These are nominal voltages which range from 110 to 120 volts. It will operate fine on the outlet.
Yep. It is called an inverter to convert 12 volts to 110 volts AC. Get one that will supply the amp needed for the microwave.
The United States is one country that uses 110 volts. Also, Mexico and Canada are also other countries that use 110 volts.
Any where from 110 volts to 130 volts alternating current is available from a 110 VAC outlet.
Yes, transformers which operate on 110 - 120 Volts exist. This question is probably incomplete as it only mentions one voltage: it could be for the primary or the secondary or for a single-winding auto-transformer. The missing information cannot be guessed...
To calculate the amps, you can use the formula: Amps = Watts / Volts. So, for 2000 watts and 110 volts, 2000 watts / 110 volts equals approximately 18.18 amps.
110 volts
5000 volts
To what?