MHT CET Physics question
Not in JEE Advanced syllabus
A tangent galvanometer of radius 7 cm having the number of turns 50 is arranged in magnetic meridian. The current of 85 mA passing through the coil, produces a deflection of . The horizontal component of earths field is ( wb/Am)
Answer: (A)
Solution
$==≈3.8×10^
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