Question

A 34.0-cm long solenoid 1.25 cm in diameter is to produce a field of 4.50 mT at its center.
How much current should the solenoid carry if it has 985 turns of the wire? Express your answer using three significant figur
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Answer #1

Solution magnetic field at the center of a salomoid constant and given by B. B = Mon I -7 Mo = UTIX 10 Him L = Length. MO NIThe current in the solenoid is 1.24 A.

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