Which of the following applications are related to concept of superconductivity 1 nbs...........

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Which of the following applications are related to concept of superconductivity?

1. In Maglev trains

2. In MRI

3. In Magnetic confinement fusion reactors

Select the correct answer using the code given below.

1 and 2 only

2 and 3 only

1 and 3 only

All of the above

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Explanation:

Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature: Some of the technological applications of

superconductivity include:

• The production of sensitive magnetometers based on SQUIDs

• Fast digital circuits (including those based on Josephson junctions and rapid single flux quantum technology),

• Powerful superconducting electromagnets used in maglev trains, Magnetic Resonance Imaging (MRI) and Nuclear magnetic resonance (NMR) machines, magnetic confinement fusion reactors (e.g. tokamaks), and the beam-steering and focusing magnets used in particle accelerators