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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.
All conductors of electricity are magnetic substances. Comment on this statement giving reasons.
what precautions should be taken while using or storing magnets?
Why does the freely suspended magnet always point towards the north-south direction?
which of these does not use magnet?
LCD TV, electric fan , computer hard disk , DVD
where are the poles of horseshoe magnet magnet located?
name some natural magnets
Does a ring magnet have poles????
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?
what is self demagnetization?how can it happen?
Can a circular magnet have poles?
how to magnetise iron needle
what is artificial magnet?
Magnetic force can be exerted only on certain substances. what are these substances
why should we keep away the magnet from the cassettes, mobiles, television, CDs and computers ?( plz answer fast )
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
what are magnets
whatis the single and double touch method is?
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.
how do we store a bar magnet?
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
uses of ball end magnet
How do the magnetic poles interact ? Explain in detail.
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?
How can we say that magnetic effect can pass through screen?
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?
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
Name 4 important problems of bar magnet
what will happen if a magnet is brought near a conpass?
What is the process of converting an iron piece to a magnet called?
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
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?
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)
why do magnets monopoles do not exist?
what is a magnet?
how was natural magnets used in olden days?
A wooden stick is kept between the two magnets while storing. give reason
why do magnets align themselves in north-south direction?
name the ore of iron that has magnetic properties
Given an odd shaped magnet , how will you find its poles?
In a magnet,magnetic domains are aligned in
(a) all the directions
(b) in a particular direction
(c) direction changes continously
(d) none of these
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 aluminium a magnetic material? Will aluminium foil paper attract to a magnet?
Is steel a magnetic material or non-magnetic material?copper wires are magnetic material or non-magnetic material?
Why is compass needle kept in a classed glass vessel?
Why should magnets be kept away from cassettes,CDs, mobile, tv, plastic cards etc.?
before invention of the compass, sailors used stars to find directions. In what way is using a compass better?
If a permanent magnet is stroked on a plastic needle.
How does a magnetic compass work?
how artificial magnets are made
How will you prove the following experrimentally:i) A freely suspended magnet always rests in the north south direction.
ii) Like poles of two magnets repel each other whereas unlike poles attract each other.
iii) The force of a magnet is concentrated at the poles.
Why does a freely suspended magnet always come to rest in north south direction?
how can you store bar magnets safely ?
The Earth itself acts like a giant bar magnet. Justify the statement with reasons.
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