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What is a reduction factor of tangent ga...

What is a reduction factor of tangent galvanometer and its unit of measurement?

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Reduction factor of a tangent galvanometer is equal to current, required to be passed through galvanometer to produce a deflection of `45^@`. Reduction factor is measured in ampere.
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The reduction factor of a tangent galvanometer may be defined as the current passing through it to produce a deflection of

Accuracy of tangent galvanometer maximum at