On the glass surface of an electric bulb it.is marked 220V - 100 W. What does it indicate.

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

What is meant by electrical power? The rating of a bulb is written as 220V - 100W- What is its meaning?

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?

Why the term 220 V-100W is written on an electric bulb ?

An electrical lamp os marked 240 V - 60 W . What is the resistance of the lamp on incandescent state ?

What is the power rating of electric bult appliances at 220 V supply?

An electrical equipment is marked with 200 V -1000W . What informations do you get from it ?

A 220 V -60W electric bulb is connected in 220 V line . What is the resistance of the filament of the bulb , when it is tured on ?

The resistance of an electrical appliance is 200 Omega and it can withstand a maximum current of 1A. To operate the appliance on a dc source of 220 V what minimum resistance should be connected in series with it?

Find the ratio of resistances for two bulbs of 220 V-60W and 110V-60W.