MHT CET Physics question
Not in JEE Advanced syllabus
A tangent galvanometer has 500 turns each of radius cm. If T then the reduction factor of T.G. is
Answer: (D)
Solution
\dfrac{2rB_H}{μ_0 n}\dfrac{2×0.0628×3.6×10^{-5}}{4π×10^{-7}×500}$=
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