In a moving coil galvanometer, two moving coils M_1 and M_2 have the following particulars : R_1=5 Ω, N_1=15, A_1=3.6 \times 10^{-3} {\m}^2, B_1=0.25 {\T} R_2=7 Ω, N_2=21, A_2=1.8 \times 10^{-3} {\m}^2, B_2=0.50 {\T} Assuming that torsional constant of the springs are same for both coils, what will be the ratio of voltage sensitivity of M_1 and M_2 ? [2 Apr 2025 Shift 2]

JEE Main 2 Apr 2025 Shift 2 Paper

Section: Physics

Question : 43 of 75

Marks: +1, -0

In a moving coil galvanometer, two moving coils M1 and M2 have the following particulars :
‌R1=5Ω,N1=15,A1=3.6×10−3m2,B1=0.25T
‌R2=7Ω,N2=21,A2=1.8×10−3m2,B2=0.50T Assuming that torsional constant of the springs are same for both coils, what will be the ratio of voltage sensitivity of M1 and M2 ?

[2 Apr 2025 Shift 2]

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