The resistance of an incadescent lamp is

The resistance of an incandescent lamp is

The resistance of an incandescent lamp is

The resistance of an incandescent lamp is

A battery of four cells in series each having an efm of 1.5 V and internal resistance 1Omega are connected in series with an ammeter, a coil of resistance 2Omega and a filament lamp. If the ammeter reads 0.5 A, the resistance of the filament lamp is

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

A 220 V - 60 W electric lamp os connected to 220 V supply line . Determine the resistance of the lamp in incandescent state .

The resistance of the filament of a lamp increases with the increase in temperature. A lamp rated 100 W and 220 V is connected across 220 V power supply. If the voltage drops by 10% , then the power of the lamp will be

The resistance of the filament of a lamp increases with the increase in temperature. A lamp rated 100 W and 220 V is connected across 220 V power supply. If the voltage drops by 10% , then the power of the lamp will be

What is the resistance of an electric arc lamb when hot, if the lamp uses 20 A when connected to a 200 volt line ?

Suppose you have to replace an incandescent lamp at your house. Following lamps are available. Incandescent lamp, CFL, LED, Fluroscent lamp Which of these lamps would you select ?Justify your selection.