CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2003

  • question_answer
    Four\[10\,\mu F\]capacitors are connected to a 500 V supply as shown in the figure. The equivalent capacitance of the network is:

    A)  \[40\,\mu F\]                   

    B)         \[20\,\mu F\]   

    C)         \[13.3\,\mu F\]        

    D)         \[10\,\mu F\]

    E)  \[2.5\,\mu F\]

    Correct Answer: C

    Solution :

    The net capacitance of capacitors in series combination\[\frac{1}{C}=\frac{1}{10}+\frac{1}{10}+\frac{1}{10}\] \[\Rightarrow \]               \[C=\frac{10}{3}\mu F\] Equivalent capacitance of the circuit                 \[C=10+\frac{10}{3}=\frac{40}{3}\] \[=13.3\,\mu F\]


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