2. Sample Papers
  3. 10th Class
  4. Science

10th Class Science Sample Paper Science Sample Paper-6

  • question_answer
    An electric iron of resistance\[20\Omega \] takes a current of 5 A. Calculate the heat developed in 30 seconds.

    A) 51 KJ              

    B) 15 KJ

    C) 12 KJ              

    D) 21 KJ

    E) None of these

    Correct Answer: B

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