What is Meissner effect?

What is Meissner's effect?

Mr Kamath, the chief mechanical engineer in Northern railways went to Tokyo to attend a seminar on fast moving trains. His friend Mr. Hiroki explained how Japnese people are concentrating on energy conservation and saving fossil fuels using maglev trains. Mr. Kamath travelled from Tokyo to Osaka in maglev train and found that the sound is less, travel is smooth and understood the Japanese technology in mass transporting system. Maglev trains work on the principle of Meissner's effect. (a) Mention two values which Mr Kamath found in Mr. Hiorki. (b) Which values in Mr Kamath do you appreciate ? (c) What is Meissner's effect ? Write the value of magnetic permebility for perfect diamagnetism.

What did Meissner actually observe which is known as Meissner effect?

What is Meissner's corpuscles?

(A): A current continues to follow in super conducting coil even after switch is off. (R): Superconducting coils show Meissner effect.

What is screening effect? What is the order of screening effect of the subshells?

What is torsion? What is its effect?

What is torsion? What is its effect?