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Paper Abstract and Keywords
Presentation 2009-03-06 16:05
An experimental tool for visually observing electromagnetic induction phenomena and observation with a high-speed camera
Asuka Sudo, Muneki Kawahara, Yusuke Takahashi, Makoto Hasegawa (Chitose Inst. of Scie & Tech.) EMD2008-145
Abstract (in Japanese) (See Japanese page) 
(in English) An experiment tool has been provided for visually observing induction of electromotive force due to electromagnetic induction by means of light emitting diodes (LEDs). In this tool, at least one magnet is attached onto a rotatable plate, while an LED is connected to a coil of several turns. Rotating the plate in the vicinity of the coil realizes movement of the magnet(s) along the coil at a certain speed, leading to abrupt changes in magnetic flux through the coil. Thus, a certain electromotive force is induced across the coil, causing the connected LED to flash. Light emission from the LED can be seen with naked eyes. Furthermore, when observing this phenomenon with a high-speed camera capable of capturing high-speed motion pictures up to 1200 frames per second, it can be confirmed that the LED flashing occurs at synchronous timing with movement of the magnet(s).
Keyword (in Japanese) (See Japanese page) 
(in English) electromagnetic induction / electromotive force / emf / LED / science experiment / experiment tool / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 466, EMD2008-145, pp. 45-48, March 2009.
Paper # EMD2008-145 
Date of Issue 2009-02-27 (EMD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMD2008-145

Conference Information
Committee EMD  
Conference Date 2009-03-06 - 2009-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Kougakuin Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Short note (Graduation thesis and master's thesis) 
Paper Information
Registration To EMD 
Conference Code 2009-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An experimental tool for visually observing electromagnetic induction phenomena and observation with a high-speed camera 
Sub Title (in English)  
Keyword(1) electromagnetic induction  
Keyword(2) electromotive force  
Keyword(3) emf  
Keyword(4) LED  
Keyword(5) science experiment  
Keyword(6) experiment tool  
Keyword(7)  
Keyword(8)  
1st Author's Name Asuka Sudo  
1st Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Scie & Tech.)
2nd Author's Name Muneki Kawahara  
2nd Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Scie & Tech.)
3rd Author's Name Yusuke Takahashi  
3rd Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Scie & Tech.)
4th Author's Name Makoto Hasegawa  
4th Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Scie & Tech.)
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Speaker Author-1 
Date Time 2009-03-06 16:05:00 
Presentation Time 15 minutes 
Registration for EMD 
Paper # EMD2008-145 
Volume (vol) vol.108 
Number (no) no.466 
Page pp.45-48 
#Pages 4 
Date of Issue 2009-02-27 (EMD) 

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