College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A circular loop of wire of radius 16.0 cm is in a magnetic field of 4.50 · 10−3 T directed
out of the page. The loop is stretched to make it long and thin, with no area between
the wires. The stretching takes 0.850 s. What are the magnitude and direction of the
induced emf in the loop while the loop is being stretched? Explain how you found the
direction, briefly giving all the steps of your thinking.
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- I need help solving this example, thanks a lot for the help!arrow_forwardInstructions1. In the three cases, use the average of the two angles ( = (+) + () =2), the averageof the two currents ( I = I(+) + I() =2), and Eqs. (1) and (2), and calculate coilÖeld and the earth ís horizontal component of magnetic Öeld, B(earth) H [ Tesla ].2. Based on the three previous calculations, what is your experimental determination ofthe horizontal component of the earthís magnetic Öeld, B(earth) H [ Gauss ]?3. Take the accepted value of the earthís horizontal component of magnetic Öeld in southFlorida to be 0:25 Gauss and calculate the percent error in your answer.arrow_forwardI need help with #6 of this image. Please explain how you got to your answer, thanks!arrow_forward
- How to solve this questionarrow_forwardA loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: Mo.) ФВ (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 20.0 A/s, h = 1.00 cm, w = 20.0 cm, and L = 1.20 m. v (c) What is the direction of the induced current in the rectangle? O clockwise O counterclockwise O The magnitude is zero. What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from an initial position ho = 1.00 cm toward the bottom of the figure at a constant speed of v = 16.0 cm/s. (d) What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move? V (e) What is the direction of the…arrow_forwardPlease use the units thoroughly and provide sketches/diagrams as needed. Use clear notations and please provide detailed solutions. Thanks!arrow_forward
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