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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: D MAGLEV TRAIN
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deedee (1968)

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U MIGHT HAV READ MY ARTICLE ON MAGLEV TRAIN ,IF, NOT THEN PLZ HAV A LUK.
MY QUESTION IS DAT SINCE THERE IS REPULSION BETWEEN D BOTTOM OF D TRAIN & D TRACK DEN WHY DON'T D TRAIN FLY AWAY???????????
IS IT COZ OF  NET GRAVITATIONAL FORCE ACTING ON IT OR SOMETHING ELSE
 ...DO REPLY........

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anil_kapoor (131)

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http://science.howstuffworks.com/maglev-train.htm
http://en.wikipedia.org/wiki/Maglev_train

try thez links
may this help u.....
i know i hav'nt gave u the direct ans but thez might help u...

om namoh narayana.....
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master_purav (1343)

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Well,
 
Probably you have misunderstood 'Repulsion'.
 
Here magnetic field repels the train in forward direction. Same principle applies for Electromagnetic Launchers like Rail Guns.
 
Look at the figure in my next post to have a clear concept....

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master_purav (1343)

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Here's diagram of section of rail


"If you win, you shall not have to explain and if you lose, you wont be there to explain"
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master_purav (1343)

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In the above figure, the rectangular thing that you see is a part of trian
 
A very high current is passed through rails. This creates magnetic field in the region shown in the direction penetrating the plane of the figure.
 
Now apply right hand screw rule. You will find that the direction of force is along the rails. Thus the force pushes the train in forward direction.
 
 

"If you win, you shall not have to explain and if you lose, you wont be there to explain"
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master_purav (1343)

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Electromagnetic Launchers work on the same principle.

More info on electromagnetic launchers (rail guns)

http://www.goiit.com/posts/list/community-shelf-rail-gun-25706.htm

Rate it if you find it useful.................

"If you win, you shall not have to explain and if you lose, you wont be there to explain"
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ayesha_89 (17)

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perfectly answered....
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master_purav (1343)

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Thnx ayesha

"If you win, you shall not have to explain and if you lose, you wont be there to explain"
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sudarsansrikanth (104)

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xxxxcxcxx
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