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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?
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?
which of these does not use magnet?
LCD TV, electric fan , computer hard disk , DVD
name some natural magnets
how to magnetise iron needle
Does a ring magnet have poles????
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)
what is self demagnetization?how can it happen?
Can a circular magnet have poles?
what is artificial magnet?
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
why should we keep away the magnet from the cassettes, mobiles, television, CDs and computers ?( plz answer fast )
what are magnets
prove experimentally that the earth is big magnet.
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.
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
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?
Distinguish between natural magnets and artificial magnets.
Why we should not place the magnets near electronic device?
Magnetism at the centre of a bar magnet is
A. Minimum B. Maximum
C. Zero D. Minimum or maximum
who discovered magnets??
will a strong magnet attract a piece of copper ? why?
Name 4 important problems of bar magnet
how can you store bar magnets safely ?
what will happen if a magnet is brought near a conpass?
why casting of a magnatic compass is usually made of aluminium
How Do Magnet Trains Run Without Touching The Ground
Please Ans Fast
uses of ball end magnet
Where were artificial magnets discovered?
Given an odd shaped magnet , how will you find its poles?
Why is repulsion the surest test for magnetism?
why should we keep magnets away from electronic devices?
what is a magnet? how does a permanent magnet differ from a temporary magnet
how do we store a bar magnet?
why do magnets monopoles do not exist?
what is a magnet?
Is steel a magnetic material or non-magnetic material?copper wires are magnetic material or non-magnetic material?
if i drop a natural magnet from the terrace of a 40 storyed building will its will its magnetic property go ?
why do magnets align themselves in north-south direction?
what happens to a soft iron bar when placed next to a permanent magnet
A bar magnet has no marking to incicate its poles . How would you find out near which end is its north pole located ?
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
draw different types of artificial magnet ?
Why is compass needle kept in a classed glass vessel?
Why should magnets be kept away from cassettes,CDs, mobile, tv, plastic cards etc.?
weather cock is a magnetic or non-magnetic
before invention of the compass, sailors used stars to find directions. In what way is using a compass better?
How does a magnetic compass work?
What do you mean by a magnet
how was natural magnets used in olden days?
how artificial magnets are made
Magnetic force can be exerted only on certain substances. what are these substances
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
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