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NEET Sample Paper NEET Sample Test Paper-80

  • question_answer
    In the given circuit, the reading of voltmeter \[{{V}_{L}}\,\,and\,\,{{V}_{C}}\] are 300 V each. The reading of the voltmeter \[{{V}_{R}}\] and ammeter A are respectively  

    A)  100V, 2.0 A                 

    B)  220V, 2.2 A

    C)  150 V, 2.2 A                

    D)  220 V, 2.0 A          

    Correct Answer: B

    Solution :

    As, \[{{V}_{L}}= {{V}_{C}} = 300 V,\] Given \[\operatorname{L}-C-R\] circuit is in resonance \[\therefore \,\,\,\,\,\,\,\,\,{{V}_{R}}\,\,=\,\,V\,\,=\,\,220\,\,V\] And circuit will be purely resistive \[\operatorname{z} =R=100\,\,\Omega \] Current, \[i=\frac{V}{z}=\frac{220}{100}\,\,=\,\,2.2\,\,A\]


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