RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    Find the ratio of electric field at the position of end on and equator of a dipole:

    A)  1 : 2                      

    B)         2 : 1

    C)  1 : 1                      

    D)         1 : 3

    Correct Answer: B

    Solution :

    Electric field intensity at end on position \[{{E}_{1}}=\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{2p}{{{r}^{3}}}\] Electric field intensity at equatorial position                                 \[{{E}_{2}}=\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{p}{{{r}^{3}}}\]                                 \[{{E}_{1}}:E{{ & }_{2}}=2:1\]


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