2. Solved Papers
  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    In an AC circuit V and i are given by \[V=200\text{ }sin\](100t) V, \[i=5\text{ }sin\]\[\left( 10t-\frac{\pi }{2} \right)A.\] The power dissipated in circuit will be

    A)  1000 W          

    B)  zero

    C)  40 W            

    D)  20 W

    Correct Answer: B

    Solution :

     Here, \[\phi =\frac{\pi }{2}\] \[\therefore \]\[P=Vi\cos \phi =0\,(zero)\]


You need to login to perform this action.
You will be redirected in 3 sec spinner