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Superconductors and their Applications

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Questions and Answers

What is the primary reason for the formation of superconductors?

The high temperature of the material

The presence of impurities in the material

The absence of defects in the material

The interaction between electrons in the material (correct)

What is the temperature below which a material becomes a superconductor?

Freezing point

Room temperature

Critical temperature (correct)

Absolute zero

What happens to the electrical resistance of a superconductor below its critical temperature?

It increases gradually

It decreases gradually

It drops to zero (correct)

It remains constant

What is a characteristic of the transition from a conductor to a superconductor?

It is a sudden and complete process (B) Signup and view all the answers

What is a common application of superconductors?

MRI machines (C) Signup and view all the answers

What was previously thought to be the only temperature at which electrical resistivity becomes zero?

Absolute zero (A) Signup and view all the answers