How many turns has a thoroughly flat circular coil of wire, which has a diameter of 6 cm that carries 9 A, whose magnetic field at the center is 4.80 mT?

Physics for Scientists and Engineers, Technology Update (No access codes included)
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ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter29: Magnetic Fields
Section: Chapter Questions
Problem 29.12OQ
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Please solve#4 and 5

3. Solve problem involving magnetism
1. A 3 nC charge travels at a speed of 0.9 x 10^6 m/s in a circle of radius 5.3 x10 pm.
Determine the value of the magnetic field due to the motion of charge.
2. A solenoid of radius 2 meter with 650 turns and length of 2.5 m is wound around a metal
cage. What current must flow so that the solenoid field just cancels the earth's magnetic
field (4.3 x 10^-5 T)?
3. Two parallel wires are separated by 20 cm apart and carries 3 A and 5 A, respectively.
Determine the magnetic field by the 9 A on the other wire.
4. How many turns has a thoroughly flat circular coil of wire, which has a diameter of 6 cm
that carries 9 A, whose magnetic field at the center is 4.80 mT?
Transcribed Image Text:3. Solve problem involving magnetism 1. A 3 nC charge travels at a speed of 0.9 x 10^6 m/s in a circle of radius 5.3 x10 pm. Determine the value of the magnetic field due to the motion of charge. 2. A solenoid of radius 2 meter with 650 turns and length of 2.5 m is wound around a metal cage. What current must flow so that the solenoid field just cancels the earth's magnetic field (4.3 x 10^-5 T)? 3. Two parallel wires are separated by 20 cm apart and carries 3 A and 5 A, respectively. Determine the magnetic field by the 9 A on the other wire. 4. How many turns has a thoroughly flat circular coil of wire, which has a diameter of 6 cm that carries 9 A, whose magnetic field at the center is 4.80 mT?
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