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NEET Sample Paper NEET Sample Test Paper-44

  • question_answer
    A man is 45m behind the bus, when the bus start accelerating from rest with acceleration\[2.5m/{{s}^{2}}\]. With what minimum velocity should the man start running to catch the bus?

    A) 12m/s               

    B) 14m/s

    C) 15m/s               

    D) 16m/s

    Correct Answer: C

    Solution :

    Ohm's law. V = IR \[\operatorname{R} =\frac{V}{1} = slope of V -1 graph\] Slope for A < B \[{{\operatorname{R}}_{A}}<{{R}_{B}}\] \[\operatorname{Resistance} \propto  temperature\] \[\therefore \]resistance increases with increase in temperature \[{{\operatorname{T}}_{B}}>{{T}_{A}}\] \[{{\operatorname{T}}_{2}}>{{T}_{1}}\]


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