A torch bulb when cold has `1 Omega` resistance. It draws a current of `0.3 A` when glowing from a source of `3 V`. Calculate the resistance of the bulb when glowing and explain the reason for the difference in resistance.

Calculate the potential difference required across a conductor of resistance 5 Omega resistance. It draws a current of 0.3 A when glowing from a source of 3 V . Calculate the resistance of the bulb when glowing and explain the reason for the difference in resistance.

A torch bulb when cold has a resistance 1 Omega . It draws a current 300 mA, when glowing from a source of potential differences 3 V. Calculate the resistance of the bulb when glowing and explain the reason for the difference in resistance.

A torch bulb has a resistance of 1Omega when cold. It draws a current of 0.2A from a source of 2V and glows. Calculate (i) The resistance of the bulb when glowing and (ii) Explain the reason for the different in resistance

A bulb is rated 5V, 500 mA. Calculate the rated power and resistance of the bulb when it glows.

An electric bulb of resistance 500 ohm draws current 0.4 A from the source. Calculate : the power of bulb

A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.

How much current will an electric Bulb draw from a 440V source, if the resistance of the bulb filament is 24000?

How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ?

How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ?