The current sensitivity of a galvanometer can be increased by:
$(A)$ decreasing the number of turns
$(B)$ increasing the magnetic field
$(C)$ decreasing the area of the coil
$(D)$ decreasing the torsional constant of the spring
Choose the most appropriate answer from the options given below.
JEE MAIN 2022, Medium
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$i=\left(\frac{ K }{ NAB }\right) \theta$
$\therefore \frac{ d \theta}{ di }=\frac{ NAB }{ K }$
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