What should you do to run a 220 V - 600 W appliance using a 400 V mains ?

A fuse wire of radius 0.1 mm can withstand a maximum current of 1 A . What is the minimum radius of a fuse wire , made of the same meatal , that should be used to run a 220 V - 100 W heater using a 220 V mains ?

What precaution has to be take to run a 220 V - 600 W heater safely in a 440 V line ?

What is be the strength of current through a heater coil if a 220 V-0.5 kWh heater is used in 220 V line ?

An electric heater is marked 110 V - 550 W and it is to be used in 200 v mains .How much resistance is to be added in series the heater ?

Two electric bulbs each designed to operate with a power of 500 W in a 220 V line are connected in series in a 110 V line . What will be the power generated by each bulb ?

What is the peak value of the voltage of a 220V ac line?

A current of 1A flow when an electric bulb is connect to 220 V mains. What would be the current when the same bulb is connected to 110 V mains?

A 220 V - 100 W lamp and 220 V - 60 W lamp are connected in parallel . If current is made to pass through the combination , the brightness of the first lamp will be ……….[ Fill in the blank ]

what is the resistances each of an electric bulb marked 220 V -100 W in incandescent state ?

In order to run a 60V- 120W lamp in 220V dc line , a resistor of what minimum magnitude should be placed in series with it ?