12th Class Physics Sample Paper Physics Sample Paper-4

  • question_answer A garage owner recently installed a latest system in the entrance gates. Both his car garages have a common gate which needs to open automatically when a car enters either of the garages or cars enter in both. Draw circuit of a device that resembles this situation using diodes. Also, specify the values represented by the owner.


    As car enters in the gate, any one or both are opened. Circuit of the device using diodes is shown below. This situation resembles the operation of an OR gate. The owner has skillful scientific knowledge and awareness.

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