JEE Main & Advanced
Physics
Magnetism
Question Bank
Self Evaluation Test - Magnetism and Matter
question_answer
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 \[0.36\times {{10}^{-4}}T\].