In India domestic power supply is at 220 V, 50Hz. While in USA it is 110 V, 50 Hz. Given one advantage and one disadvantage of 220 V supply over 110 V supply.

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be -

An electric bulb is rated 220 V and 100 W. when it is operated on 110 V, the power consumed will be

Why does one experiences fatal shock when one accidentally touches a live wire of 220 V supply?

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R, the resistance of a 60 W bulb for use in USA will be

A bulb(220 V, 60 W) is operated on 110V supply then power developed in its is

The electric main in a house are marked 220 V, 50Hz. Write down the equation for instantneous voltage?

A lamp and a resistance are connected in series to a 220 V d.c. source. What will happen to glow of the lamp, when same combination is connected to a 220 V - 50 Hz a.c. supply?