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ar magnets are moved into the wire coils in identical quick fashion. Voltage induced in each coil causes a current as indicated on the galvanometer. Neglect the electrical resistance in the loops in the coil, and rank, from greatest to least, the magnitude of induced voltage.

ar magnets are moved into the wire coils in identical quick fashion. Voltage induced in each coil causes a current as indicated on the galvanometer. Neglect the electrical resistance in the loops in the coil, and rank, from greatest to least, the magnitude of induced voltage.

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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Bar magnets are moved into the wire coils in identical quick fashion. Voltage induced in each coil causes a current as indicated on the galvanometer. Neglect the electrical resistance in the loops in the coil, and rank, from greatest to least, the magnitude of induced voltage.

 

### Experiment on Electromagnetic Induction **Diagram Explanation:** The image shows three different setups illustrating the effect of the number of wire loops on electromagnetic induction when a magnet is moved through the coil. - **Setup A:** - The coil has **3 loops**. - A bar magnet labeled with "S" (South) and "N" (North) poles is shown being moved through the loops. - The loops are connected to a galvanometer to detect induced current. - **Setup B:** - The coil has **5 loops**. - Again, a bar magnet with "S" and "N" poles is moved through the loops. - This setup is similar to A but with more loops, indicating a potential change in induced current. - **Setup C:** - The coil has **2 loops**. - The bar magnet is moved through the fewer loops in this third setup. - Like the others, a galvanometer is present to measure the current. Each diagram suggests a relation between the number of loops in a coil and the magnitude of current induced, demonstrating a fundamental principle of electromagnetic induction: increasing the number of loops increases the induced current.
Transcribed Image Text:### Experiment on Electromagnetic Induction **Diagram Explanation:** The image shows three different setups illustrating the effect of the number of wire loops on electromagnetic induction when a magnet is moved through the coil. - **Setup A:** - The coil has **3 loops**. - A bar magnet labeled with "S" (South) and "N" (North) poles is shown being moved through the loops. - The loops are connected to a galvanometer to detect induced current. - **Setup B:** - The coil has **5 loops**. - Again, a bar magnet with "S" and "N" poles is moved through the loops. - This setup is similar to A but with more loops, indicating a potential change in induced current. - **Setup C:** - The coil has **2 loops**. - The bar magnet is moved through the fewer loops in this third setup. - Like the others, a galvanometer is present to measure the current. Each diagram suggests a relation between the number of loops in a coil and the magnitude of current induced, demonstrating a fundamental principle of electromagnetic induction: increasing the number of loops increases the induced current.
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