A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is___________?

Related Mcqs:

Which of the following has no units?

A. Permeability B. Moment of a magnet C. Magnetic susceptibility D Permittivity...

A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is_____________?

A. 6.4 A, 6.9 A B. 6.4 A, 9.6 A C. 4.6 A, 6.9 A D. 4.6 A, 9.6 A...

The resistance of a few meters of wire conductor in closed electrical circuit is____________?

A. practically zero B. low C. high D. very high...

Switching of a lamp in house produces noise in the radio. This is because switching operation produces________?

A. arcs across separating contacts B. mechanical noise of high intensity C. both mechanical noise and arc between contacts D. none of the above...

The condition for the validity under Ohm’s law is that_______________?

A. resistance must be uniform B. current should be proportional to the size of the resistance C. resistance must be wire wound type D. temperature at positive end should be more than the temperature at negative end...