Difference between revisions of "Electromagnetic induction introduction to electromagnetic induction activity 3"

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__FORCETOC__
 
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=Activity No # 3 - '''Electromagnetic Induction using Galvanometer'''=
 
  
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==Estimated Time==
 
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20 minutes
 
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==Materials/ Resources needed==
 
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#A strong bar magnet
 
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#Copper coil with 500 turns
 
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#Galvanometer
 
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==Prerequisites/Instructions, if any==
 
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==Multimedia resources==
 
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==Website interactives/ links/ simulations==
 
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==Process (How to do the activity)==
 
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Show the connection of copper coil and galvanometer. Show the electromagnetic induction using galvanometer and copper coil. Observe the changes of galvanometer deflections. <br>
 
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==Developmental Questions (What discussion questions)==
 
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==Evaluation (Questions for assessment of the child)==
 
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1.The device that detects the induced emf is called _________________                mark 1
 
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2.Which the following emf is produced? Yes/no            <br>
 
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a) Coil is steady, magnet is moved inside the coil _______________  <br>
 
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b) Coil and magnet are moved away in opposite direction _______________  <br>
 
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c) Magnet is steady, Coil is moved towards magnet ____________  <br>
 
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d) Coil and magnet both are moved together __________________ mark 2  <br>
 
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3.copper coil is connected to Galvanometer and a bar magnet. What are the changes in the following
 
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* Magnet kept inside the coil ____________________________  <br>
 
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* Magnet is pushed slowly ________________________________  <br>
 
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* Magnet is pushed inside the coil very quickly _____________________ mark 2  <br>
 
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==Question Corner==
 
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'''To link back to the topic page'''
 
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[[Electromagnetic_induction|'''Go Back''']] <br>
 

Revision as of 03:22, 26 August 2014

Retrieved from "https://karnatakaeducation.org.in/KOER/en/index.php?title=Electromagnetic_induction_introduction_to_electromagnetic_induction_activity_3&oldid=15634"