The coil of a moving coil galvanometer has an effective area of 4xx10^(-2)m^(2)`. It is suspended in a magnetic field of `5xx10^(-2)` Wb `m^(-2)`. If deflection in the galvanometer coil is 0.2 rad when a current of 5 mA is passed through it, thenA. torsional constant is `5xx10^(-5)N-m" rad"^(-1)`B. current sensitivity is `40 rad` `A^(-1)`C. torsional constant is `3xx10^(-3)` `N-m` `" rad"^(-1)`D. current sensitivity is `40 deg` `A^(-1)`

The coil of a moving coil galvanometer has an effective area of 4xx10^

1.	The coil of a moving coil galvanometer has an effective area of 4xx10^(-2)m^(2)`. It is suspended in a magnetic field of `5xx10^(-2)` Wb `m^(-2)`. If deflection in the galvanometer coil is 0.2 rad when a current of 5 mA is passed through it, thenA. torsional constant is `5xx10^(-5)N-m" rad"^(-1)`B. current sensitivity is `40 rad` `A^(-1)`C. torsional constant is `3xx10^(-3)` `N-m` `" rad"^(-1)`D. current sensitivity is `40 deg` `A^(-1)`
Answer» Correct Answer - A::B

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