A transformer can be used to change the voltage to an appliance. The voltage rating of the transformer should be right for the voltages used, and the current rating of the transformer should not be less than the current drawn by the equipment.
Yes provided that you use a transformer that will transform 110 to 220/240. Without the transformer you will blow your equipment. You can take a USA appliance and go to Europe and other places that use 220/240 and use it but only if you have a transformer that is in range with the power consumption of the 110 equipment. Most small/portable electrical equipment like computers, tablets or phones bought in the USA are now coming with dual voltage 110/240, so there is no need for transformers. If you equipment does not says 120/240 or 110/220 you WILL need the transformer.
Use a step-up transformer from 110 volts to 220 volts. Try getting one at Home Depot or SEARS.
A transformer that reduces voltage is classed as a step down transformer.
Not unless you have a 110 volt supply to plug it in to. The standard General Power Outlet in Australia is 240 volts AC at 50 Hertz.
No, they will not perform properly.
Yes.
AC, just use a transformer. DC, it's more complicated. You need to build or buy an inverter which is an electronic circuit which will chop the 110 volts into a high frequency square wave, run it through a transformer, then rectify the higher voltage AC back to DC.
You would have to run new wires to obtain 240 volts or use a step-up transformer.
AC - use a step-down transformer. DC - simplest but most wasteful, use a dropping resistor (in series). Otherwise it is costly.
A Buck Boost transformer is an auto transformer with a small primary to secondary voltage difference. It effectively adds or subtracts a few windings to the secondary to increase or decrease voltage. Here is an example: Say I have a 110 v and want 120 v; I have an auto transformer with 120 windings, tapped at 110 and 120. If I connect the 110 connection to my incoming 110v line, the voltage at the 120 tap will be 120v.
No. Bermuda has a voltage of 110 volts. Ireland has a voltage of 220 volts. You will need a transformer to use it in Ireland.
To split 220 volts into two 110-volt circuits, you will need a transformer that is capable of reducing the voltage from 220V to 110V. You would connect your 220V power source to the primary side of the transformer and then connect two separate circuits to the secondary side of the transformer to access the 110V output. Be sure to follow proper safety precautions and consult an electrician if you are unsure about handling electrical components.