A student makes a short electromagnet by winding 430 turns of wire around a wooden cylinder of diameter d = 3.0 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 4.4 μT (approximately one-tenth that of Earth's magnetic field)?
A student makes a short electromagnet by winding 430 turns of wire around a wooden cylinder of diameter d = 3.0 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 4.4 μT (approximately one-tenth that of Earth's magnetic field)?
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![A student makes a short electromagnet by winding 430 turns of wire around a wooden cylinder of diameter d = 3.0 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 4.4 μT (approximately one-tenth that of Earth's
magnetic field)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc1f0aebc-fbdc-4356-9367-76628cca066f%2F07453aa9-6d38-4e7f-9036-4ea7a125557c%2F2md319p_processed.png&w=3840&q=75)
Transcribed Image Text:A student makes a short electromagnet by winding 430 turns of wire around a wooden cylinder of diameter d = 3.0 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 4.4 μT (approximately one-tenth that of Earth's
magnetic field)?
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