\[\frac{Total current}{Current required by the movement\ of ammeter coil}\] doneclear
B)
\[\frac{\begin{array}{*{35}{l}} Current required by the movement \\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ of ammeter coi \\ \end{array}}{Total current}\] doneclear
C)
Current required by the movement of ammeter coil X Total current doneclear