Railways R.R.C. (Kolkata) Solved Paper Held on 17-11-2013

  • question_answer
    The tube light is felt cooler than the light from a bulb of the same wattage because the?

    A) tube is fixed at a greater height than the bulb

    B) surface area of a tube is larger than that of a bulb

    C) tungsten is not used in the tube

    D) tube consumes less power

    Correct Answer: D


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