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NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    The energy evolved when a current of 2.00 A passes for 200 s under a potential of 230 V.

    A)  36 kJ               

    B)  86 kJ

    C)  56 kJ               

    D)  92 kJ

    Correct Answer: D

    Solution :

    We know that \[\operatorname{Q}=l.t\] \[\operatorname{Q}\,\,=\,\,20 \times  200 = 400 C\] \[\operatorname{Energy} = Q \times  potential difference\] \[= \,\,400 C \times  230 V\] \[=\,\, 92000 J\] \[= 92 kJ\]


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