The coil area of galvanometer is 1.6 into 10 raise to power 4 square it consists of 200 terms of a wire and is in a magnetic field of point 0.2T the restoring torque constant of the suspension fibre is 10 raise to power minus 6 Newton metre per degree calculate the maximum current that can be measured by the galvanometer if the squared can accommodate30 degree reflection

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(b) The coil area of a galvanometer is $1.6 \times 10^{4} m ^{2}$. It consists of 200 turns of a wire and is in a magnetic field of $0.2 T$. The restoring torque constant of the suspension fibre is $10^{-6} Nm$ per degree. Calculate the maximum current that can be measured by the galvanometer. If the scale can accomodate $30^{\circ}$ deflection.