Physics, 04.11.2019 21:31 Queiao4088
Astudent makes a short electromagnet by winding 590 turns of wire around a wooden cylinder of diameter d = 3.4 cm. the coil is connected to a battery producing a current of 4.8 a in the wire.
(a) what is the magnitude of the magnetic dipole moment of this device?
(b) at what axial distance z > > d will the magnetic field have the magnitude 5.4 µt (approximately one-tenth that of earth's magnetic field)?
Answers: 3
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