A student makes a short electromagnet by winding 540 turns of
wire around a wooden cylinder...
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Physics
A student makes a short electromagnet by winding 540 turns ofwire around a wooden cylinder of diameter d = 3.2 cm. Thecoil is connected to a battery producing a current of 4.3 A in thewire. (a) What is the magnitude of the magneticdipole moment of this device? (b) At what axialdistance z >> d will the magnetic fieldhave the magnitude 5.0 µT (approximately one-tenth that of Earth'smagnetic field)?
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here given data turn N 540 diameterd 32 cm d 0032 m a m 100 cm current I 43 A a here we want to find magnetic diople moment M I N A here I current N turn A area M magnetic
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