A toroid has 430 turns of wire and carries a current of 14 A. Its inner and outer radii are 5.6 and 9.8 cm. Find the magnetic field at r = 5.8, 7, and 7.2 cm. Hint Review Section 12.6 Solenoids and Toroids for the description of magnetic field inside a toroid and the derivation of formula for magnetic field inside a toroid. a. Choose the description that most correctly describes the direction of the magnetic field at these locations. The magnetic field points in tangential direction. O The magnetic field is perpendicular to the toroid plane. The magnetic field points in radial direction. O The magnetic field points in the z direction. b. Magnetic field at r = 5.8 cm is mT. c. Magnetic field at r = 7 cm is mT. d. Magnetic field at r = 7.2 cm is mT.

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A toroid has 430 turns of wire and carries a current of 14 A. Its inner and outer radii are 5.6 and 9.8 cm.
Find the magnetic field at r = 5.8, 7, and 7.2 cm.
Hint
Review Section 12.6 Solenoids and Toroids for the description of magnetic field inside a toroid and the
derivation of formula for magnetic field inside a toroid.
a. Choose the description that most correctly describes the direction of the magnetic field at these
locations.
The magnetic field points in tangential direction.
O The magnetic field is perpendicular to the toroid plane.
The magnetic field points in radial direction.
O The magnetic field points in the z direction.
b. Magnetic field at r = 5.8 cm is
mT.
c. Magnetic field at r = 7 cm is
mT.
d. Magnetic field at r = 7.2 cm is
mT.
Transcribed Image Text:A toroid has 430 turns of wire and carries a current of 14 A. Its inner and outer radii are 5.6 and 9.8 cm. Find the magnetic field at r = 5.8, 7, and 7.2 cm. Hint Review Section 12.6 Solenoids and Toroids for the description of magnetic field inside a toroid and the derivation of formula for magnetic field inside a toroid. a. Choose the description that most correctly describes the direction of the magnetic field at these locations. The magnetic field points in tangential direction. O The magnetic field is perpendicular to the toroid plane. The magnetic field points in radial direction. O The magnetic field points in the z direction. b. Magnetic field at r = 5.8 cm is mT. c. Magnetic field at r = 7 cm is mT. d. Magnetic field at r = 7.2 cm is mT.
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