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Statement of a problem № 2886

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A solenoid is 40 cm long, has cross-sectional area 8.0 cm2, and is wound with 300 turns of wire that carry a current of 1.2 A. The relative permeability of its iron core is 600. Compute (a) B for an interior point and (b) the flux through the solenoid.

Solution:
A solenoid is 40 cm long, has cross-sectional area 8.0 cm2, and is wound with 30

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