Coil-tangent galvanometer consists of 100 turns of insulated wire coated spaced from the center of the coil where the magnetic compass needle is placed at 15 cm. The plane coil aligned with the direction of the magnetic needle. At what angle deflected arrow tangent-galvanometer if he miss the coil current of 200 mA? The horizontal component of the earth's magnetic field of 30 A / m.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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