A moving coil galvanometer has a coil with 175 turns and area 1 cm^{2}. It uses a torsion band of torsion band constant N-m/rad. The coil is placed in a magnetic field B parallel to its plane. The coil deflects by 1^{0} for a current of 1 mA. The value of B (in Tesla) is approximately

(a)

10^{−4}

(b)

10^{−2}

(c)

10^{−1}

(d)

10^{−3}

Question ID - 51298 :-

A moving coil galvanometer has a coil with 175 turns and area 1 cm^{2}. It uses a torsion band of torsion band constant N-m/rad. The coil is placed in a magnetic field B parallel to its plane. The coil deflects by 1^{0} for a current of 1 mA. The value of B (in Tesla) is approximately

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