SSC General Science & Technology Sample Paper NCERT Sample Paper-3

  • question_answer
    The filament of an electric lamp becomes white hot but the lead-in Wires holding the filament are only slightly heated because they:

    A)  Have higher melting point

    B)  Are made of black iron

    C)  Have very low resistance

    D)  Have smaller current passing through them

    Correct Answer: C

    Solution :

    [c] The filament of the light bulb is made of a material that will resist the current enough to heat up and "glow".

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