J & K CET Medical J & K - CET Medical Solved Paper-2003

  • question_answer
    The sensitivity of a moving coil galvanometer depends on:

    A)  angle of deflection

    B)  earths magnetic field

    C)  torsional constant of the spring

    D)  none of the above

    Correct Answer: C

    Solution :

                    The current sensitivity of a moving coil galvanometer is given by \[\frac{1}{G}=\frac{NAB}{k}\]where\[k\]is the constant of suspension, B the magnetic field, A the area of coil, N the number of turns in the coil.


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