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The quantity in Ampère’s law is called magnetic circulation. Figures 30.10 and 30.13 show paths around which the magnetic circulation is evaluated. Each of these paths encloses an area. What is the magnetic flux through each area? Explain your answer.

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Ciara Beatrice Canalita
Ciara Beatrice CanalitaLv10
27 Dec 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A 300-turn solenoid with a length of 20.0 cm and a radius of 1.50 cm carries a current of 2.00 A. A second coil of four turns is wrapped tightly around this solenoid, so it can be considered to have the same radius as the solenoid. The current in the 300-turn solenoid increases steadily to 5.00 A in 0.900 s. (a) Use Ampère’s law to calculate the initial magnetic field in the middle of the 300-turn solenoid. (b) Calculate the magnetic held of the 300-turn solenoid alter 0.900 s. (c) Calculate the area of the 4-turn coil. (d) Calculate the change in the magnetic flux through the 4-turn coil during the same period. (e) Calculate the average induced emf in the 4-turn coil. Is it equal to the instantaneous induced emf? Explain. (f) Why could contributions to the magnetic field by the current in the 4-turn coil be neglected in this calculation?

Magnetic Flux and Induced EMF:

A coil has N turns enclosing an area of A. In a physics laboratory experiment, the coil is rotated during the time interval Δt from a position in which the plane of each turn is perpendicular to Earth's magnetic field to one in which the plane of each turn is parallel to the field. The magnitude of Earth's magnetic field at the lab location is B.

Part A- What is the magnitude Φ initial of the magnetic flux through the coil before it is rotated?

Part B- What is the magnitude Φ final of the magnetic flux through the coil after it is rotated? 

Magnetic Flux and Induced EMF: 

A coil has N turns enclosing an area of A. In a physics laboratory experiment, the coil is rotated during the time interval ∆t from a position in which the plane of each turn is perpendicular to Earth's magnetic field to one in which the plane of each turn is parallel to the field. The magnitude of Earth's magnetic field at the lab location at B. 

Part A - What is the magnitude Φinitial of the magnetic flux through the coil before it is rotated? 

 

Part B-What is the magnitude Φfinal of the magnetic flux through the coil after it is rotated? 

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