A `6 V - 12 W` lamp is connected in series with a source of `12 V` supply. Calculate the value of the resistance `R` for the proper working of the lamp. What is the current flowing through the circuit ?

A 6 V, 12 W lamp is connected in series with a resistor R and a source of voltage 12 V. Calculate the value of the resistor R, for the proper working of the lamp.

A 6 V, 12 W lamp is connected in series with a resistor R and a source of voltage 12 V. What is the purpose of the resistor R?

A 6 V, 12 W lamp is connected in series with a resistor R and a source of voltage 12 V. What is the current flowing through the circuit?

A 100 W lamp is connected in series with a 60 W lamp across a 220 V supply. Which of the following statement is wrong ?

A 230 V, 115 W filament lamp works in a circuit for 10 minute . What is the current flowing through the bulb ?

A 25 W lamp is connected to an ac source of peak emf 100 V. Compute the rms current in the lamp.

A 6V zener diode along with a series resistance R is connected accrose a 12 V supply. Calculate the minimum value of the resistance R required, if the maximum zener current is 30 mA .

An electric lamp whose resistance is 8 Omega and a conductor of 2 Omega resistance are connected in series to a 5 volt battery . Calculate( a) the total resistance of the circuit (b) the current through the circuit (c) the potential difference across the electric lamp and the conductor?

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