Which of the following is the use of superconductor?
They are used in powerful electromagnets
They are used in microwaves
They are used in MRI
All of the above
A
All of the above
B
They are used in microwaves
C
They are used in MRI
D
They are used in powerful electromagnets
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Solution
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The uses of superconductors are as follows:
Superconductors are used to make extremely powerful electromagnets to accelerate charged particles very fast.
Used in Maglev (magnetic levitation) trains. These work because a superconductor repels a magnetic field so a magnet will float above a superconductor – this virtually eliminates the friction between the train and the track
The development of superconductors has improved the field of MRI as the superconducting magnet can be smaller and more efficient than an equivalent conventional magnet.
They are also used in microwaves.
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