An electric bulb is rated 220 V and 200 W. When it is operated at 110 V, then power consumed by it will be

Energy consumed in a home is 250 units then the total energy in Joule will be:

Five bulbs each of 100 watt capacity in a tunnel are illuminated continuously for twenty hours. The consumption of electricity will be :

Which one among the following statements related to electric cells is correct?

Which term in the following does not denote the electric power in electric circuit?

Which one among the following statements regarding the electrical resistivity of a conducting wire is correct?