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High-speed magnetic levitation trains ru...

High-speed magnetic levitation trains run without touching the track, on the power of

A

electromagnets

B

bar magnets

C

natural magnets

D

none of these

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The correct Answer is:
A
High-speed magnetic levitation trains run on the power of electromagnets.
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Advanced countries are making use of powerful electromagnets to move trains at very high speed. These trains are called maglev trains (abbreviated from magnetic levitation).These trains float on a guideway and do not run on steel rail tracks. Instead of using a engine based on fossil fuels, they make use of magnetic field forces. The magnetized coils are arranged in the guide way which repels the strong magnets placed in the train's under carriage. This helps train move over the guideway, a technic called electro - dynamic suspension. When current passes in the coils of guideway , a typical magnetic field is set up between the undercarriage of train and guideway which pushes and pull the train along the guideway depending on the requirement. The lack of friction and its aerodynamic style allows the train to more at very high speed. (i) The levitation of the train is due to

Advanced countries are making use of powerful electromagnets to move trains at very high speed. These trains are called maglev trains (abbreviated from magnetic levitation).These trains float on a guideway and do not run on steel rail tracks. Instead of using a engine based on fossil fuels, they make use of magnetic field forces. The magnetized coils are arranged in the guide way which repels the strong magnets placed in the train's under carriage. This helps train move over the guideway, a technic called electro - dynamic suspension. When current passes in the coils of guideway , a typical magnetic field is set up between the undercarriage of train and guideway which pushes and pull the train along the guideway depending on the requirement. The lack of friction and its aerodynamic style allows the train to more at very high speed. (2) The disadvantage of maglev trains is that

Advanced countries are making use of powerful electromagnets to move trains at very high speed. These trains are called maglev trains (abbreviated from magnetic levitation).These trains float on a guideway and do not run on steel rail tracks. Instead of using a engine based on fossil fuels, they make use of magnetic field forces. The magnetized coils are arranged in the guide way which repels the strong magnets placed in the train's under carriage. This helps train move over the guideway, a technic called electro - dynamic suspension. When current passes in the coils of guideway , a typical magnetic field is set up between the undercarriage of train and guideway which pushes and pull the train along the guideway depending on the requirement. The lack of friction and its aerodynamic style allows the train to more at very high speed. (3) The force which makes maglev move

Problems based on trains running on parallel track

A 50 metric ton train has to run at 72 kmh^(-1) . If the track is level and total resistance is (1)/(80) th the weight of the train, find the power of the engine.

MTG IIT JEE FOUNDATION-FUN WITH MAGNETS-Exercise (Multiple Choice Questions) (LEVEL - 2)
  1. Which of the following gets attracted towards a magnet?

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  2. is the surest test of magnetisation.

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  3. Which of the following gets demagnetised when a powerful magnet is kep...

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  4. Back of credit cards/ATM cards are designed with metal strip made of

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  5. Magnetic force is when two magnets are kept far apart.

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  6. Which of the following is indicated by a magnetic compass?

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  7. When a magnet is placed on a wooden plate with some iron nails spread ...

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  8. Temporary magnets are made of

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  9. Alnico is an alloy of

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  10. If you break a magnet into 6 pieces, how many north and how many south...

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  11. Which of the following do not have any effect when a powerful magnet i...

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  12. How many keepers does a horseshoe magnet need for its storage?

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  13. A substance consisting of a coil of wire with an iron core and is only...

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  14. If one stands facing the east, then north will be on his/her side and...

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  15. Artificially designed magnets .

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  16. Now-a-days magnets are made of

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  17. Which of the following is true about magnets?

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  18. Magnets was found in a place called

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  19. When a soft iron rod is put inside a current carrying coil, the streng...

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  20. High-speed magnetic levitation trains run without touching the track, ...

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