Calculate electric current passing through 60W - 220V bulb. Find the resistance of the filament.

Two cells E_1 and E_2 have and emf of 5V and 9V and internal resistances of 0.3 Omega and 1.2 Omega respectively. Calculate the value of current following through the resistance of 3 Omega .

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 ?

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

Calculate the current flow through a conductor having 60Omega resistance and potential’ difference is 36V.

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 ]

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

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