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Questions  >>  CBSE XII  >>  Physics  >>  Magnetism and matter
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What is the reduction factor of galvanometer . The amount of of current required to produce $45^{\circ}$ deflection in a galvanometer is defined as it reduction factor.

$\begin{array}{1 1} \text{Amount of current required to produce $90^{\circ}$deflection } \\ \text{Amount of current required to produce $0^{\circ}$ deflection} \\ \text{Amount of current required to produce $45^{\circ}$ deflection} \\ \text{Amount of current required to produce $30^{\circ}$} \end{array} $

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Answer : $ \text{Amount of current required to produce $45^{\circ}$ deflection}$
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