Physics · 2022
JEE Main · 28 July 2022, Shift 1 · Q42
The current sensitivity of a galvanometer can be increased by: (A) decreasing the number of turns (B) increasing the magnetic field (C) decreasing…
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 :
Official answer
(4)
(B) and (D) only
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.