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Given a bar magnet, how will you find the west direction
why shouldn't magnets be brought near tv's, radios, computers, etc.
which of these does not use magnet?
LCD TV, electric fan , computer hard disk , DVD
what precautions should be taken while using or storing magnets?
Why does the freely suspended magnet always point towards the north-south direction?
Magnetic force can be exerted only on certain substances. what are these substances
name some natural magnets
All conductors of electricity are magnetic substances. Comment on this statement giving reasons.
Does a ring magnet have poles????
Given an odd shaped magnet , how will you find its poles?
what is self demagnetization?how can it happen?
Can a circular magnet have poles?
what is artificial magnet?
how to magnetise iron needle
why should we keep away the magnet from the cassettes, mobiles, television, CDs and computers ?( plz answer fast )
what are magnets
whatis the single and double touch method is?
A metal bar PQ is suspended freely.It always comes to rest with its end P pointing towards the north . Another bar XY of the same settles in no definite direction when freely suspended. The two bars are brought close together . What will happen?
A Chinese Emperor named Hoang Ti had a statue on his chariot with an extended arm that always pointed towards North, as per this Study Material. I have read in my NCERT textbook the same except the fact that the arm pointed towards South. So, which is the correct fact? Kindly clarify.
WHY SHOULD WE KEEP MAGNETS AWAY FROM CASSETTES,MOBILES,MUSIC SYSTEM,CD AND THE COMPUTER.
FAST ON 11 TH MARCH MY SCIENCE EXAM IS THERE
Hot Questions : Thinks and answer : (Lesson : 14)
1) Before invention of the compass, sailors used to find direction. In what way is using a campass better?
2) Will a pair of bar magnest, with keepers on the two ends, act as a magnet? Try out and see for yourself.
3) Maglev train is type of train that moves while floating in air just above its track. This way friction is minimized and the train moves very fast-at speeds exceeding 500 km per hour. How do you think it is made to float above the rails?
4) Given a bar magnet, how will you find the west direction?
Distinguish between natural magnets and artificial magnets.
1) are all conductors of electricity made of magnetic substances? can you give examples to justify the answer
2) why is that a freely suspended magnet comes to rest in the north-south direction?
You have been given three beakers with a magnet in each. Pour iron filings in each one of them and then pour very coldwater in one,very hot water in the second and keep the third one empty.Which magnet will attract maximum amount of iron fillings? justify your answer
Magnetism at the centre of a bar magnet is
A. Minimum B. Maximum
C. Zero D. Minimum or maximum
will a strong magnet attract a piece of copper ? why?
Name 4 important problems of bar magnet
What is the process of converting an iron piece to a magnet called?
what will happen if a magnet is brought near a conpass?
Q. Which of the following objects doesn't make use of a magnet?
A refrigerator (1)
A telephone (2)
A telivision (3)
A dry cell (4)
A bar megnet is cut into 4 equal parts.It is joined again using quick fix. The new megnet will behave as
a) 4 bar megnet b) 4 ordinary rods c) 1 ordinary magnet d) 1 ordinary iron rod
How Do Magnet Trains Run Without Touching The Ground
Please Ans Fast
Where were artificial magnets discovered?
Why is repulsion the surest test for magnetism?
why should we keep magnets away from electronic devices?
Bhavya brings a magnet near a metal ball and observes that
Magnet Metal ball- the ball moves away
What can she conclude about the metal ball?
a. It is a magnet
b. It is made up of alluminium
c. Type of measurement
d. Type of person using
why do magnets monopoles do not exist?
what is a magnet?
uses of ball end magnet
what is magnetic compass?
why do magnets align themselves in north-south direction?
why casting of a magnatic compass is usually made of aluminium
A bar magnet has no marking to incicate its poles . How would you find out near which end is its north pole located ?
draw different types of artificial magnet ?
Is steel a magnetic material or non-magnetic material?copper wires are magnetic material or non-magnetic material?
Why should magnets be kept away from cassettes,CDs, mobile, tv, plastic cards etc.?
Why is compass needle kept in a classed glass vessel?
why do magnets attract each other?
How do the magnetic poles interact ? Explain in detail.
before invention of the compass, sailors used stars to find directions. In what way is using a compass better?
You havebeen given a magnet and a magnetic needle.The poles of the horseshoe magnet are not marked.How will you use the magnetic needle to determine the poles of the horseshoe magnet
How does a magnetic compass work?
how was natural magnets used in olden days?
how artificial magnets are made
do a natural magnet become an iron?
how can you store bar magnets safely ?
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