The structure sensitive property of a super conductor is

1 Answer

Answer :

The structure sensitive property of a super conductor is critical current density.

Related questions

Description : A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be

Last Answer : A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 2.4 N.

Description : A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be

Last Answer : A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be zero.

Last Answer : If the resistance of a conductor does not vary in accordance with Ohm's law it is known as non-linear conductor

Description : The conductivity of a conductor can be increased by?

Last Answer : The conductivity of a conductor can be increased by decreasing its temperature.

Description : A perfect conductor has

Last Answer : A perfect conductor has infinite conductivity.

Last Answer : Superconducting metal in superconducting state has a relative permeability of zero.

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

Last Answer : The magnetic materials exhibit the property of magnetisation because of spin of nucleus.

Last Answer : The retentivity (a property) of material is useful for the construction of permanent magnets.

Last Answer : Hygroscopicity is the property of absorbing moisture from atmosphere.

Last Answer : The number of atoms per unit cell in B.C.C. structure is 2.

Last Answer : Most of the common metals have cubic structure.

Description : The co-ordination number of a simple cubic structure is

Last Answer : The co-ordination number of a simple cubic structure is 6.

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

Last Answer : answer:

Description : At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Last Answer : (2) Super conductor Explanation: Lead exhibit superconducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913. At this temperature (known as critical temperature), ... to a different phase of matter; this superconducting phase is described by the BCS theory.

Description : Solids which conduct electricity at higher temperature but not at lower temperature are called (1) super-conductor (2) metallic-conductor (3) semi-conductor (4) insulator

Last Answer : (3) semi-conductor Explanation: Semiconductors are insulators at low temperatures and reasonably good conductors at higher temperatures. As temperature increases, the semiconductor material becomes a better and better conductor.

Description : At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Last Answer : (2) Super conductor Explanation: Lead exhibit super conducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913.

Description : What is the conductivity of super conductor?

Last Answer : Infinite

Description : By which permeabilty is a super conductor characterised?

Last Answer : Zero permeability

Description : First known super conductor?

Last Answer : Mercury

Description : First super conductor was discovered by a) Kelvin b) Hertz c)Einstein d) Kamerlingh Ornes

Last Answer : d) Kamerlingh Ornes

Description : Resistance of a super conductor is a. Finite b. Infinite c. Zero d. changes with every conductor

Last Answer : c. Zero

Description : n-type semiconductor is an example of (A) extrinsic semiconductor. (B) intrinsic semiconductor. (C) super conductor. (D) insulators..

Last Answer : (A) extrinsic semiconductor.

Description : ACSR (Aluminium Conductor Steel Reinforced) are used as (A) over head transmission lines. (B) super conductors. (C) fuse (D) underground cables.

Last Answer : (A) over head transmission lines.

Description : At low temperature, Lead behaves as a : (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Last Answer : Super conductor

Description : Solids which conduct electricity at higher temperature but not at lower temperature are called (1) super-conductor (2) metallic-conductor (3) semi-conductor (4) insulator

Last Answer : semi-conductor

Last Answer : The main use of super-conductor is For generating very strong magnetic field

Description : Which of the following is not a desirable property of a refrigerant (a) highmisibility with oil (b) low boiling point (c) good electrical conductor (d) large latent heat

Last Answer : Ans: c

Description : Which of the following is not property of an alloy? a) strong b)resistant to corrosion c)hard d)Poor conductor of electricity

Last Answer : d)Poor conductor of electricity

Description : Compare pin type and suspension insulators on given points: (i) Position of insulator on cross arm. (ii) Position of conductor on insulator. (iii) Reaction on cross arm. (iv) Possibility of ... Replacement cost (vi) Maximum voltage level (vii) Effect on height of supporting structure. (viii) Life 

Last Answer : S.No  Points Pin Type insulator Suspension or Disc Type insulator 1 Position of insulator on cross arm It is fixed on top of cross arm by using galvanized steel pin. So it is ... so to maintain minimum ground clearance height of pole increase.  8 Life Less More

Description : Reflexivity property says that X Y is true if Y is …………………. A) Subset of X B) Null set of X C) Super set of Y D) Subset of Y

Last Answer : A) Subset of X

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.

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.

Description : (a) If the radius of the Br ion is 0.182 nm, how large a cation can fit in each of the tetrahedral hole. (b) AgI crystallizes in a cubic closed packed ZnS structure. What fraction of tetrahedral site ... Ag ion ?  (c) At what temp. range, most of the metals becomes super conductors ?

Last Answer : (a) For a tetrahedron the limiting ratio is 0.225 – 0.414 For largest cation highest value 0.414 would be considered. r + / r– = 0.414 r + = 0.414 × 0.182 = 0.075 nm. (b) In FCC there are 8 tetrahedral voids. Out of this ½ is occupied by Ag cation. (c) 2 k – 5 k.

Description : Pick up the incorrect statement from the following: (A) The function of foundation is to distribute the load of super structure over a large bearing area (B) No timbering is required for shallow ... can be constructed on made-up soil (D) Black cotton soil is very good for foundation bed

Last Answer : Answer: Option D

Description : ………..defines the structure of a relation which consists of a fixed set of attribute-domain pairs. A) Instance B) Schema c) Program D) Super Key

Last Answer : B) Schema

Description : A bridge having super structure with “Single or duplicate girders with cross sleepers on top flanges” is classified as a) RSJ girder bridge b) Cross Girder c) Deck plate girder* d) Open web girder

Last Answer : c) Deck plate girder*

Description : Bearings are provided in bridges to transfer the load to a) Super structure b) Track c) Embankment d) Sub structure*

Last Answer : d) Sub structure*

Description : Super structure of a bridge includes a) Girder/Slab* b) Abutment c) Piers d) Bed block

Last Answer : a) Girder/Slab*

Description : Ferromagnets

Last Answer : Ferromagnets Only certain materials, such as iron, cobalt, nickel, and gadolinium, exhibit strong magnetic effects. Such materials are called ferromagnetic, after the Latin word for iron, ... licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

Last Answer : Atrraction  capacity  will  increase  if  supply  current  is  increased.

Last Answer : Temporary magnets are used in loud-speakers,generators, motors.

Last Answer : Main causes of noisy solenoid are strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force, uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts.

Last Answer : Core of an electromagnet should have low coercivity, high susceptibility.

Last Answer : Magnetism of a magnet can be destroyed by heating, hammering, by inductive action of another magnet.

Last Answer : The bar magnet has the dipole moment.

Last Answer : The stray line of magnetic flux is defined as a line of magnetic flux which does not follow the designed path.

Last Answer : It assures a position which follows a line of magnetic flux

Last Answer : The initial permeability of an iron rod is the permeability almost in non-magnetised state.

Last Answer : The magnetic reluctance of a material decreases with increasing cross-sectional area of the material.