Ms. Rani decides to convert her AC generator into a DC generator. Which one of the following she would need to use?

Which one of the following is an electric conductor?

A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?

Of the two bulbs in a house, one glows brighter than the other. In this context which of the following statements is correct?

Which one of the following statements is not correct?

Which one of the following statements is NOT correct ?