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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    In circuit, when the current changes to 8A from 2A in 2 s, then the value of emf becomes 2 V. The inductance of the circuit is

    A)  \[\frac{4}{3}H\]

    B)  \[\frac{2}{3}H\]

    C)  \[\frac{1}{3}H\]

    D)  \[\sqrt{\frac{2}{3}}\,H\]

    Correct Answer: B

    Solution :

     \[e=L\frac{dI}{dt}\] \[\therefore \] \[L=\frac{e}{dI/dt}=\frac{2}{6/2}=\frac{2}{3}H\]


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