AP EAMCET Engineering 17 Sep 2020 Shift 2 Paper
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Question : 103 of 160
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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 B H = 3.14 × 10 − 5 T )
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