MHT CET Physics question
Not in JEE Advanced syllabus
A current of 1.2 A is passed through a tangent galvanometer of 14 turns of wire, each of diameter 22 cm. The magnetic induction produced at the centre of the galvanometer is :
Answer: (C)
Solution
\dfrac{μ_0NI}{2r}\dfrac{4π×10^{-7}×14×1.2}{0.22}10^{-4}$\
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