Superconductivity means

Superconductivity means
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current without facing any resistancce
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Superconductivity is a material property associated with - (1) cooling a substance without a phase change (2) frictionless liquid flow (3) a loss of thermal resistance (4) a loss of electrical resistance

Description : Superconductivity is a material property associated with - (1) cooling a substance without a phase change (2) frictionless liquid flow (3) a loss of thermal resistance (4) a loss of electrical resistance

Last Answer : (3) a loss of thermal resistance Explanation: Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors.

Nuclear reactors used to produce electricity are based on – (1) Nuclear fission (2) Nuclear fusion (3) Cold fusion (4) Superconductivity

Description : Nuclear reactors used to produce electricity are based on – (1) Nuclear fission (2) Nuclear fusion (3) Cold fusion (4) Superconductivity

Last Answer : (1) Nuclear fission Explanation: A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are used for generating electricity and for the propulsion ... (water or gas), which runs through turbines that power either ship's propellers or generators.

Write short notes on any two of the following : a. Superconductivity b. Night Vision Technology c. Seismograph

Description : Write short notes on any two of the following : a. Superconductivity b. Night Vision Technology c. Seismograph

Last Answer : a. Superconductivity The pairing of electrons in certain materials when cooled below a critical temperature, causing the material to lose all resistance to electricity flow. Superconductors can carry ... for measuring the intensity of earthquakes by recording the seismic waves that they generate.

What is meant by superconductivity?

Description : What is meant by superconductivity?

Last Answer : The property by which certain materials show almost zero resistance at a very low temperature is called superconductivity. Ex: The resistance of mercury drops abruptly to zero at 4.2K

The magnetic field which destroys the superconductivity is called a) Diamagnetic field b) Ferromagnetic field c) Ferrimagnetic field d) Critical field

Description : The magnetic field which destroys the superconductivity is called a) Diamagnetic field b) Ferromagnetic field c) Ferrimagnetic field d) Critical field

Last Answer : d) Critical field

Name the three American physicists who received the Nobel Prize in 1972 for their development of a theory of superconductivity.

Description : Name the three American physicists who received the Nobel Prize in 1972 for their development of a theory of superconductivity. 

Last Answer : ANSWER: (JOHN) BARDEEN, (LEON N.) COOPER, (J. ROBERT) SCHRIEFFER 

Nuclear reactors used to produce electricity are based on (1) nuclear fission (2) nuclear fusion (3) cold fusion (4) superconductivity

Description : Nuclear reactors used to produce electricity are based on (1) nuclear fission (2) nuclear fusion (3) cold fusion (4) superconductivity

Last Answer : nuclear fission

Define Superconductivity.

Description : Define Superconductivity.

Last Answer : Superconductivity is a phenomenon of exactly zero electrical resistance.   OR  The property of zero electrical resistance in some substances at very low absolute temperatures called superconductivity.

Superconductivity is a material property associated with

Description : Superconductivity is a material property associated with

Last Answer : Superconductivity is a material property associated with A loss of electrical resistance

The superconductivity is due to

Description : The superconductivity is due to

Last Answer : The superconductivity is due to the crystal structure having no atomic vibration at 0°K.

Superconductivity is observed for?

Description : Superconductivity is observed for?

Last Answer : Superconductivity is observed for d.c. and low frequency.