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$A$ galvanometer is used in the laboratory for the null point in electrical experiments. If,on passing a current of $6 \, mA$,it produces a deflection of $2^{\circ}$,its figure of merit is close to:

We have a galvanometer of resistance $25\,\Omega$. It is shunted by a $2.5\,\Omega$ wire. The part of the total current that flows through the galvanometer is given as:

How can we convert a galvanometer into an ammeter?

To make the magnetic field radial in a moving coil galvanometer:

$A$ small cylindrical soft iron piece is kept in a galvanometer so that

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