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BVP Medical BVP Medical Solved Paper-2010

  • question_answer
    A factory is served by a 220 V supply line. Ina circuit protected by a fuse marked 10 A,the maximum number of 100 W lamps inparallel that can be turned on is

    A)  11                                         

    B)  22

    C)  33                                         

    D)  66

    Correct Answer: B

    Solution :

                    Current required by each bulb, \[i=\frac{P}{V}=\frac{100}{220}A\] If n bulbs are joined in parallel, then                 \[ni={{i}_{fuse}}\] or            \[n\times \frac{100}{200}=10\] or \[n=22\]


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