2. Sample Papers
  3. 12th Class
  4. Physics

12th Class Physics Sample Paper Physics Olympiad Sample Paper-3

  • question_answer
    The diagram shows an extra lamp wired into an existing 220 V A.C. lighting system. To operate extra lamp independently a switch should be placed at

    A)  1                    

    B)  2           

    C)  3                    

    D)  4

    Correct Answer: C

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