10th Class Science Sample Paper Sample Paper - 5 Term - 1

  • question_answer
      Why is it advised that never allow the current to flow for a long time in the resistance wire?

    Answer:

      As per Joule's law of heating effect, the wire will be heated up when current flows through it for long time. As a result its temperature and resistance increase. So it is advised that never allow the current to flow for a long time in the resistance wire.                                                                                                                                                        (1)


You need to login to perform this action.
You will be redirected in 3 sec spinner