Step-by-step explanation:
The voltage sensitivity of a galvanometer is given by :
![(NBA)/(RK)](https://img.qammunity.org/2022/formulas/physics/college/lbbryydzuq74ikiii61s08h213nzj1l2u3.png)
Where
N=Number of turns
A=Area of coil
B=Magnetic field produced in coil
K=Torsion constant of galvanometer
R=Resistance of galvanometer
The current sensitivity of a galvanometer is given by :
![(NBA)/(K)](https://img.qammunity.org/2022/formulas/physics/college/6v9b70nl6qmx6ud2k1lsyquhq04bs1n8sg.png)
Hence, this is the required solution.