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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    If\[R=25\text{ }\Omega ,\text{ }Z=5\,\Omega \]then coefficient of power will be

    A)  \[\frac{1}{2}\]                   

    B)  2

    C)  1                   

    D)  zero

    Correct Answer: A

    Solution :

     \[\cos \phi =\frac{R}{Z}=\frac{25}{50}=\frac{1}{2}\]


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