2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    The electrical appliances like room heater and electric iron works on:

    A) Heating effect of current  

    B) Magnetic effect of current

    C) Chemical effect of current

    D) All of these

    E) None of these

    Correct Answer: A

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