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BVP Medical BVP Medical Solved Paper-2010

  • question_answer
    A coil has an inductance of 0.7 H and isjoined in series with a resistance of 220\[{{\sin }^{-1}}(\sin \,r)\].When the AC emf of 220 V, 50 Hz is appliedto it, find the wattless component of currentin the circuit.

    A)  0.2 A                                    

    B)  0.4 A

    C)  0.5 A                                    

    D)  0.7 A

    Correct Answer: C

    Solution :

                    \[\lambda \] \[\frac{\lambda }{4(\mu -1)}\] \[\frac{2\lambda }{4(\mu -1)}\] Wattles component of current \[\frac{\lambda }{(\mu -1)}\]                 \[\frac{\lambda }{2(\mu -1)}\]


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