Question

A current-carrying solenoid is 10 cm long and is wound with 1000 turns of wire. It produces a magnetic field of 4.0 x 10-4 T at the solenoid’s center.
(a) How long would you make the solenoid in order to produce a field of 6.0 x 10-4 T at its center?
(b) Adjusting only the windings, what number would be needed to produce a field of 8.0 x 10-4 T at the center?
(c) What current in the solenoid would be needed to produce a field of 9.0 x 10-4 T but in the opposite direction?


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  • CreatedAugust 29, 2015
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