MHT CET Physics question
A long solenoid with 10 turns/cm and a radius of 7.0 cm carries a current of 20.0 mA. A current of 6.0 A exists in a straight conductor located along the central axis of the solenoid. At what radial distance from the axis will the direction of the magnetic field be at to the axial direction?
Answer: (A)
Solution
Axial field T; the wire's field must equal it for
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