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A current of 10-7 A produces 50 division deflection in a galvanometer. The figure of merit would be: |
50 × 10-7 A/div 50 × 107 A/div 2 × 10-9 A/div 2 × 10-8 A/div |
2 × 10-9 A/div |
Figure of merit is defined as the current which produces a deflection of one scale division in the galvanometer.Here one division will give $\frac{10^{-7}}{50} = 2\times 10^{-9}A/div$ |
