The radius of the coil of a tangent galvanometer is 16cm. How many tur – McqOptions

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1.	The radius of the coil of a tangent galvanometer is 16cm. How many turns of the wire should be used if a current of 40m A is to produced at deflection of \[45{}^\circ \]. given, horizontal component of earth's field is \[0.36\times {{10}^{-4}}T\].
A.	458
B.	229
C.	200
D.	115
Answer» C. 200

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