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In the figure, a wire shaped like a circular loop of radius r =15.0 cm is stretched by pulling on its sides so that the area in the loop decreases to zero in 0.250 s. This is done in the presence of a 0.800-T magnetic field that comes out of the page, as shown in the figure. What is the magnitude of the induced EMF and the direction of the current induced in the loop as it's being stretched? A)

In the figure, a wire shaped like a circular loop of radius r =15.0 cm is stretched by pulling on its sides so that the area in the loop decreases to zero in 0.250 s. This is done in the presence of a 0.800-T magnetic field that comes out of the page, as shown in the figure. What is the magnitude of the induced EMF and the direction of the current induced in the loop as it's being stretched? A)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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In the figure, a wire shaped like a circular loop of radius r =15.0 cm is stretched by pulling on its sides so that the area in the loop decreases to zero in 0.250 s. This is done in the presence of a 0.800-T magnetic field that comes out of the page, as shown in the figure. What is the magnitude of the induced EMF and the direction of the current induced in the loop as it's being stretched? A) 0.672 V B) 0.226 V C) 56. 5 mV D)0.113 V E) 0.480 V
The image illustrates a concept related to magnetic fields and motion within these fields. ### Description: - **Background Grid**: The image features a grid of dots representing a uniform magnetic field directed into the page, commonly represented by dots (•) with the magnetic field vector \(\vec{B}\). - **Circular Loop**: On the left side, there is a blue circle with arrows pointing left and right. This indicates a circular electric current or an induced current, showing the direction of motion or force experienced by a charged particle or a conductor placed within the magnetic field. - **Linear Arrow**: In the center, there is a black arrow pointing right, indicating the direction of motion or force on either a charged particle or a segment of wire when it experiences the magnetic field. - **Blue Line**: On the right side, a horizontal blue line is drawn across the grid, representing a straight conductor placed within the magnetic field. ### Conceptual Explanation: This diagram is often used in the context of electromagnetism to illustrate the interaction between electric currents and magnetic fields, such as: - **Right Hand Rule**: To determine the direction of force on a moving charge within a magnetic field. - **Electromagnetic Induction**: Demonstrates how motion within a magnetic field can induce a current in a conductor. - **Lorentz Force**: Showing how a magnetic field can exert a force on a moving charge or current-carrying wire. This is a visual representation commonly used in physics education to explain fundamental concepts of electromagnetism.
Transcribed Image Text:The image illustrates a concept related to magnetic fields and motion within these fields. ### Description: - **Background Grid**: The image features a grid of dots representing a uniform magnetic field directed into the page, commonly represented by dots (•) with the magnetic field vector \(\vec{B}\). - **Circular Loop**: On the left side, there is a blue circle with arrows pointing left and right. This indicates a circular electric current or an induced current, showing the direction of motion or force experienced by a charged particle or a conductor placed within the magnetic field. - **Linear Arrow**: In the center, there is a black arrow pointing right, indicating the direction of motion or force on either a charged particle or a segment of wire when it experiences the magnetic field. - **Blue Line**: On the right side, a horizontal blue line is drawn across the grid, representing a straight conductor placed within the magnetic field. ### Conceptual Explanation: This diagram is often used in the context of electromagnetism to illustrate the interaction between electric currents and magnetic fields, such as: - **Right Hand Rule**: To determine the direction of force on a moving charge within a magnetic field. - **Electromagnetic Induction**: Demonstrates how motion within a magnetic field can induce a current in a conductor. - **Lorentz Force**: Showing how a magnetic field can exert a force on a moving charge or current-carrying wire. This is a visual representation commonly used in physics education to explain fundamental concepts of electromagnetism.
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