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

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

Revision as of 03:22, 26 August 2014