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Electromagnetic induction introduction to electromagnetic induction activity 1 (view source)
Revision as of 02:18, 26 August 2014
, 02:18, 26 August 2014no edit summary
#If not attracted by magnet?
#If not attracted by magnet?
#In which direction bar magnet rest when freely suspended it. or magnetic needle or Mariner's compass.
#In which direction bar magnet rest when freely suspended it. or magnetic needle or Mariner's compass.
#Recognize the north and south poles of magnet.
#Identify the north and south poles of magnet.
#Does every magnet have a north and south pole?
#Is north-north or south-south attracted?
#Is north-north or south-south attracted?
#Is north-south repelled?
#Is north-south repelled?
#What happened when kept the bar magnet near the magnetic needle or mariner's compass?
#What happened when kept the bar magnet near the magnetic needle or mariner's compass?
#What happens when we break a magnet in half?
#Can you break off just the north (or just the south) end of a magnet?
#What is the strongest pole?
==Evaluation (Questions)==
==Evaluation (Questions)==
#If a magnetic needle placed along the north and south pole of a bar magnet as shown in the figure, what is the polarity of the a b c and d. mark 2
[[File:magnet3.jpg|200px]] <br>
[[File:magnet3.jpg|200px]] <br>
*Pole of a ________ *pole of b _______ <br>
*Pole of a ________ *pole of b _______ <br>
*Pole of c _________ *Pole of d _________ <br>
*Pole of c _________ *Pole of d _________ <br>
#You are in ship at night & have a bar magnet. How do you recognize the east and west direction? <br>
#Iron feelings are mix with tea powder? How to separate it quickly?
#Get a ring-shaped magnet and break it with pliers or a tap with a hammer. Try to put it back together. What happens? Why?
4.
==Question Corner==
==Question Corner==
#List the properties of magnet.
#List the properties of magnet.
#What are the properties of the magnetic lines of force?
#What are the properties of the magnetic lines of force?
#Draw the direction of magnetic lines of force of a bar magnet.
#Draw the direction of magnetic lines of force of a bar magnet.
#Who discovered magnets?
#Who were the scientists who helped us to understand magnets?
#What is magnetite?
#How does a compass work?
#Who first used a compass?
#What are some uses of magnets?
'''To link back to the topic page'''
'''To link back to the topic page'''
[[Electromagnetic_induction|'''Back''']] <br>
[[Electromagnetic_induction|'''Back''']] <br>
