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NEET Sample Paper NEET Sample Test Paper-28

  • question_answer
    Fifty electric bulbs are connected in series across a 220 V supply and the illumination produced is \[{{I}_{1}}\]. Five bulbs are fused and remaining forty five bulbs are connected in series, the illumination produced is \[{{I}_{2}}\]. Which of the following is true :-

    A)  \[{{I}_{1}}>{{I}_{2}}\]                   

    B)  \[{{I}_{1}}<{{I}_{2}}\]

    C)  \[{{I}_{1}}={{I}_{2}}\]                   

    D)  None of the above

    Correct Answer: B

    Solution :

    When five bulbs fused then net resistance decreases, so current increases, therefore illumination increases.


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