science working models

240 volts is the home electricity voltage in India which is supplied to our homes. On voltage of 240 maximum appliances work but some devices like: hair dryer, battery chargers, laptops, radios etc, do not accept 240 volts for them use of voltage converter is must. Three types of voltage converters are there:-Resistors networks TransformersCombination When our appliances are turned on, a force of 240 volts is passed through appliance. The energy is used in completing the works like heating, running motor, lighting, etc it is analogous to the water is forced through the pipe using a mono block pump.