# A toroidal solenoid with 200 turns of wire and a mean radiusof 3.0 cm carries a current of 0.3 A. The relative permeability of the coreis 100. (a) What is the magnetic field in the core? (b) What part of themagnetic field is due to atomic currents? diagram must be included if needed please

Question
Asked Oct 14, 2019
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A toroidal solenoid with 200 turns of wire and a mean radius
of 3.0 cm carries a current of 0.3 A. The relative permeability of the core
is 100. (a) What is the magnetic field in the core? (b) What part of the
magnetic field is due to atomic currents?

diagram must be included if needed please