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AP EAMCET Engineering 17 Sep 2020 Shift 2 Paper

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Question : 103

Total: 160

The deflection produced in a tangent galvanometer whose coil has a resistance of 9 Ω is 30°.The potential difference across the coil is 4.5 V. If the number of turns in the coil is 10, the radius of the coil is _______(given BH=3.14×10−5T)

2√3×10−2 m
10√3×10−2 m
6×10−2 m
3.5×10−2 m

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