When does Super conductivity result? -Do You Know?

When does Super conductivity result? -Do You Know?
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When does Super conductivity result?

Description : When does Super conductivity result?

Last Answer : – When matter is cooled to very low temperature

When does Super conductivity result?

Description : When does Super conductivity result?

Last Answer : When matter is cooled to very low temperature

Superconductors are those elements – (1) Whose conductivity is intermediate between metals and insulators (2) Whose resistance falls almost to zero at very low temperature (3) Which conduct electricity only at super-high temperature (4) Which conduct electricity only, at super-high temperatures

Description : Superconductors are those elements – (1) Whose conductivity is intermediate between metals and insulators (2) Whose resistance falls almost to zero at very low temperature (3) Which conduct electricity only at super-high temperature (4) Which conduct electricity only, at super-high temperatures

Last Answer : (2) Whose resistance falls almost to zero at very low temperature Explanation: Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in ... lines from the interior of the superconductor as it transitions into the superconducting state.

Which of the following was the first theory of super conductivity? (1) Ginzburg Landau theory (2) London theory (3) Resonating valence bond theory (4) Quantum field theory

Description : Which of the following was the first theory of super conductivity? (1) Ginzburg Landau theory (2) London theory (3) Resonating valence bond theory (4) Quantum field theory

Last Answer : (2) London theory Explanation: The first phenomenological theory of superconductivity was London theory. It was put forward by the brothers Fritz and Heinz London in 1935, shortly ... wherein a material exponentially expels all internal magnetic fields as it crosses the superconducting threshold.

Which of the following principle is used to produce low-temperatures'? (1) Super conductivity (2) Joule-Kelvin effect (3) Thermo-electric effect (4) Adiabatic demagnetization

Description : Which of the following principle is used to produce low-temperatures'? (1) Super conductivity (2) Joule-Kelvin effect (3) Thermo-electric effect (4) Adiabatic demagnetization

Last Answer : (4) Adiabatic demagnetization Explanation: Magnetic refrigeration is a cooling technology based on the magnetocaloiic effect. This technique can be used to attain extremely low temperatures, as well as the ... of a suitable material is caused by exposing the material to a changing magnetic field.

What is the conductivity of super conductor?

Description : What is the conductivity of super conductor?

Last Answer : Infinite

The temperature at which material show super conductivity is a) Super temperature b) Critical temperature c)Kelvin temperature d)Absolute

Description : The temperature at which material show super conductivity is a) Super temperature b) Critical temperature c)Kelvin temperature d)Absolute

Last Answer : d)Absolute

Substances of conductivity between 10–10  10–20 (n m )–1 are: a) Insulators b) Semiconductors c)Super conductors d)Good conductors

Description : Substances of conductivity between 10–10  10–20 (n m )–1 are: a) Insulators b) Semiconductors c)Super conductors d)Good conductors

Last Answer : a) Insulators

The substances of conductivity of the order of 10–6 – 10–4 (m)–1 are : a) Insulators b) Super conductors c) Semiconductors d)Good conductors

Description : he substances of conductivity of the order of 10–6 – 10–4 (m)–1 are : a) Insulators b) Super conductors c) Semiconductors d)Good conductors

Last Answer : d)Good conductors

The property due to which the resistance of some metal or compound vanishes under certain conditions is (A) Semi conductivity. (B) Super conductivity. (C) Curie point. (D) Magnetostriction.

Description : The property due to which the resistance of some metal or compound vanishes under certain conditions is (A) Semi conductivity. (B) Super conductivity. (C) Curie point. (D) Magnetostriction.

Last Answer : (B) Super conductivity.

Property of material which allows it to be drawn out into wires is (A) Ductility. (B) Solder ability. (C) Super conductivity. (D) Malleability.

Description : Property of material which allows it to be drawn out into wires is (A) Ductility. (B) Solder ability. (C) Super conductivity. (D) Malleability.

Last Answer : (A) Ductility.

Which of the following was the first theory of super conductivity? (1) Ginzburg Landau theory (2) London theory (3) Resonating valence bond theory (4) Quantum field theory

Description : Which of the following was the first theory of super conductivity? (1) Ginzburg Landau theory (2) London theory (3) Resonating valence bond theory (4) Quantum field theory

Last Answer : London theory

Which of the following principle is used to produce ‘low-temperatures’ ? (1) Super conductivity (2) Joule-Kelvin effect (3) Thermo-electric effect (4) Adiabatic demagneti-sation

Description : Which of the following principle is used to produce ‘low-temperatures’ ? (1) Super conductivity (2) Joule-Kelvin effect (3) Thermo-electric effect (4) Adiabatic demagneti-sation

Last Answer : Adiabatic demagneti-sation

Superconductors are those elements (1) Whose conductivity is intermediate between metals and insulators (2) Whose resistance falls almost to zero at very low temperatures (3) which turn into insulators at very low temperatures (4) which conduct electricity only at super-high temperatures

Description : Superconductors are those elements (1) Whose conductivity is intermediate between metals and insulators (2) Whose resistance falls almost to zero at very low temperatures (3) which turn into insulators at very low temperatures (4) which conduct electricity only at super-high temperatures

Last Answer : Whose resistance falls almost to zero at very low temperatures

Describe super conductivity. State its applications.

Description : Describe super conductivity. State its applications.

Last Answer : Superconductivity is a phenomenon of exactly zero electrical resistance.  Superconductivity is a quantum mechanical phenomenon. It is characterized by the Meissner effect  The electrical ... nano wire single-photon detector Railgun and Coilgun magnets Electric motors and generators

Super conductivity can be destroyed by

Last Answer : Superconductivity can be destroyed by application of magnetic field.

Which element is with the highest electrical conductivity? -Do You Know?

Description : Which element is with the highest electrical conductivity? -Do You Know?

Last Answer : answer:

What is not the cause of low conductivity of electrolyte? -Do You Know?

Description : What is not the cause of low conductivity of electrolyte? -Do You Know?

Last Answer : answer:

Which of the listed conditions describes the effect on intrinsic semiconductor operation as a result of a temperature increase? A. Additional heat sinks will be required B. Conductivity will increase C. Conductivity will decrease D. Resistivity will increase

Description : Which of the listed conditions describes the effect on intrinsic semiconductor operation as a result of a temperature increase? A. Additional heat sinks will be required B. Conductivity will increase C. Conductivity will decrease D. Resistivity will increase

Last Answer : Answer: B

What is Super Nova? -Do You Know?

Description : What is Super Nova? -Do You Know?

Last Answer : answer:

By which permeabilty is a super conductor characterised? -Do You Know?

Description : By which permeabilty is a super conductor characterised? -Do You Know?

Last Answer : answer:

Folding is the result of which force? -Do You Know?

Description : Folding is the result of which force? -Do You Know?

Last Answer : answer:

Bowl shaped depression created as a result of glacial erosion high on a mountainside what is this called? -Do You Know?

Description : Bowl shaped depression created as a result of glacial erosion high on a mountainside what is this called? -Do You Know?

Last Answer : answer:

How many orangutans disappear each year as result of palm oil farming? -Do You Know?

Description : How many orangutans disappear each year as result of palm oil farming? -Do You Know?

Last Answer : 5,000 orangutans Every year it is estimated that between 1,000 to 5,000 orangutans are killed in Palm Oil concessions.

What is the process that result in the breakdown of rocks and minerals in situ ? -Do You Know?

Description : What is the process that result in the breakdown of rocks and minerals in situ ? -Do You Know?

Last Answer : answer: