1) A long wire is bent to form 46-turns of circular loop. Each loop has an area of 3.7 cm2. Determine the current in the loop if the magnetic field at the centre is 2.3 µT. (Given: µo=4?✕10-7 Tm A-1). 2) A 1000-turns coil encloses a rectangular area of dimensions 38.0 cm and 28.0 cm. The coil lies in the plane of the page and carries a clockwise current of 4.7 A, as shown in FIGURE 2. If a uniform magnetic field of 180 µT is directed toward the left of the page, what is the magnitude of the torque of the coil? In which direction will the coil rotate?
1) A long wire is bent to form 46-turns of circular loop. Each loop has an area of 3.7 cm2. Determine the current in the loop if the magnetic field at the centre is 2.3 µT. (Given: µo=4?✕10-7 Tm A-1). 2) A 1000-turns coil encloses a rectangular area of dimensions 38.0 cm and 28.0 cm. The coil lies in the plane of the page and carries a clockwise current of 4.7 A, as shown in FIGURE 2. If a uniform magnetic field of 180 µT is directed toward the left of the page, what is the magnitude of the torque of the coil? In which direction will the coil rotate?
An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter24: Geologic Time
Section: Chapter Questions
Problem 4FIB
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1) A long wire is bent to form 46-turns of circular loop. Each loop has an area of 3.7 cm2. Determine the current in the loop if the magnetic field at the centre is 2.3 µT. (Given: µo=4?✕10-7 Tm A-1).
2) A 1000-turns coil encloses a rectangular area of dimensions 38.0 cm and 28.0 cm. The coil lies in the plane of the page and carries a clockwise current of 4.7 A, as shown in FIGURE 2. If a uniform magnetic field of 180 µT is directed toward the left of the page, what is the magnitude of the torque of the coil? In which direction will the coil rotate?
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FIGURE 2/ RAJAH 2
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