If J is moment of Inertia, D is damping constant, C is spring constant, G is displacement constant and I is current throught the coil of DArsonval galvanometer, the equation of motion is
A. J d2θ/dt2 - D dθ/dt + Cθ = GI
B. J d2θ/dt2 + D dθ/dt + Cθ = GI
C. J d2θ/dt2 + D dθ/dt + GI = Cθ
D. J d2θ/dt2 + D dθ/dt - Cθ = GI
Show Answer
Answer: B
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