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A current of 10 A produces a deflection ...

A current of 10 A produces a deflection of `45^(@)` in a tangent galvanometer. What is the value of the current which will produce a deflection of `30^(@)` in the same galvanometer?

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The correct Answer is:
5.77 A
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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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