• Power station is the regular source of electricity. 
  • It makes it possible to light our homes, roads, factories and even provide electricity during night.
  • Sometimes, electricity may fail or may not be available at some places. In such a situation a torch is something which can be used for providing light.
  • A torch has a bulb that lights up when it is switched on.
  • Torch makes use of electric cells as a source of electricity.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo