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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.
How can we say that magnetic effect can pass through screen?
what precautions should be taken while using or storing magnets?
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 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
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?
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 )
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
what are magnets
whatis the single and double touch method is?
uses of ball end magnet
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
how to magnetise iron needle
Magnetic force can be exerted only on certain substances. what are these substances
All conductors of electricity are magnetic substances. Comment on this statement giving reasons.
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?
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 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
Where were artificial magnets discovered?
Why is repulsion the surest test for magnetism?
why should we keep magnets away from electronic devices?
why do magnets monopoles do not exist?
what is a magnet?
why do magnets align themselves in north-south direction?
Given an odd shaped magnet , how will you find its poles?
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 ?
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?
How does a magnetic compass work?
how was natural magnets used in olden days?
how artificial magnets are made
Why are materials like rubber , plastic scale , pen cap etc cant be atract to the magnet?
how can you store bar magnets safely ?
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