The flexible loop in the figure below has a radius of 11 cm and is in a magnetic field of strength 0.19 T. The loop is qrasped at points A and B and stretched until its area is nearly zero. If it takes 0.18 s to close the loop, what is the magnitude of the average induced emf (in mv) in it during this time? B

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Chapter1: Units, Trigonometry. And Vectors
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The flexible loop in the figure below has a radius of 11 cm and is in a magnetic field of strength 0.19 T. The loop is grasped at points A and B and stretched until its area is nearly zero. If it takes 0.18 s to close the loop, what is the magnitude of the average induced emf (in mV) in it during this time?

\(|\mathcal{E}| =\) ____ mV

**Diagram Explanation:**

- The diagram shows a circular loop with a radius labeled as 11 cm.
- The loop is placed in a magnetic field illustrated by green crosses, indicating the direction of the field.
- Points A and B are marked on opposite sides of the loop.
- The loop is being manipulated to reduce its area to nearly zero.
- The background shows uniform magnetic field lines perpendicular to the plane of the loop.
  
This setup is used to demonstrate electromagnetic induction, where a change in the area within a magnetic field induces an electromotive force (emf).
Transcribed Image Text:**Text:** The flexible loop in the figure below has a radius of 11 cm and is in a magnetic field of strength 0.19 T. The loop is grasped at points A and B and stretched until its area is nearly zero. If it takes 0.18 s to close the loop, what is the magnitude of the average induced emf (in mV) in it during this time? \(|\mathcal{E}| =\) ____ mV **Diagram Explanation:** - The diagram shows a circular loop with a radius labeled as 11 cm. - The loop is placed in a magnetic field illustrated by green crosses, indicating the direction of the field. - Points A and B are marked on opposite sides of the loop. - The loop is being manipulated to reduce its area to nearly zero. - The background shows uniform magnetic field lines perpendicular to the plane of the loop. This setup is used to demonstrate electromagnetic induction, where a change in the area within a magnetic field induces an electromotive force (emf).
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