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magnetism...........chapter

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kanika rajput
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PostSubject: magnetism...........chapter Thu Jan 29, 2009 11:13 am

itzz relly hard to no wat topics hav to be learnt..........its aalll so confusing ............


plzzz help .............
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Apurva
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PostSubject: Re: magnetism...........chapter Thu Jan 29, 2009 12:50 pm

in this chapter uv gt 2 knw evrythng
dere r 3 basic things given in it
1.hw 2 get a magnetic field by passing of current
2.the force due 2 electric n magnetic fields
3.hw 2 generate current using a magnet
based on these 3 are given 3 examples n 3 rules 2 find them out
thats all
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kanika rajput
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PostSubject: Re: magnetism...........chapter Fri Jan 30, 2009 9:49 am

thanks a lot

but vill u plzzz explain me..........electromagnetic induction .i mean d concept of it Embarassed
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Anu..i luv icse...:)
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PostSubject: Re: magnetism...........chapter Fri Jan 30, 2009 3:45 pm

When there is a change in the magnetic flux linked with the coil, emf(electromotive force) is induced and this takes place as long as there is a change in the flux. (flux means- the magnetic field lines.) this is called electromagnetic induction.

the change can be brought by:

1) an a.c. voltage( as in the case of a transformer)

2) relative motion between the magnet and a current carrying conductor( as in a dynamo)
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kanika rajput
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PostSubject: Re: magnetism...........chapter Fri Jan 30, 2009 11:04 pm

THANX A LOT ANU.................... Very Happy Very Happy Very Happy Very Happy
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mahnoorbloch




PostSubject: Re: magnetism...........chapter Fri May 18, 2012 10:03 pm

if you are confuse to understand the magnetism chapter. i recommend you to visit the site http://www.notes4all.com chapter magnetism and page 1-5 . it will really help. i have also get a lot of benefits form that site. thanks
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