(28-25) A 40.0-cm-long solenoid 1.35 cm in diameter is to produce a field of 0.385 mT at its center.

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(28-25) A 40.0-cm-long solenoid 1.35 cm in diameter is to produce a field of 0.385 mT at its center. How much current should the solenoid carry if it has 765 turns of wire?
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Do a 2.0 commentary, that would be fire!!

andresmromerob