Physics Group - II (3110018) MCQs

MCQs of Superconductivity

Showing 11 to 20 out of 28 Questions
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11.

The electron pairs in a superconductor are called.....

(a)

Bardeen pair
(b)

Cooper pair
(c)

BCS Pair
(d)

Josephson Pair
Answer:

Option (b)

12.

A material changes from normal to superconducting state below..........temperature.

(a)

Curie
(b)

Critical
(c)

Weiss
(d)

None
Answer:

Option (b)

13.

The transition temperature of mercury is.....

(a)

7.5 K
(b)

12 K
(c)

4.8 K
(d)

4.2 K
Answer:

Option (d)

14.

For a superconductor, the critical magnetic field (Hc)..........with a decrease of temperature.

(a)

Increases
(b)

Decreases
(c)

Will not change
(d)

None
Answer:

Option (a)

15.

The maximum current that can be passed through a superconductor is called.....

(a)

Supercurrent
(b)

Optimum current
(c)

Critical current
(d)

None
Answer:

Option (c)

16.

A superconductor is a perfect..........material.

(a)

Insulator
(b)

Semi-conductor
(c)

Dielectric
(d)

Diamegnetic
Answer:

Option (d)

17.

Cooper pairs are broken at..........temperature.

 
(a)

0 K

 
(b)

Critical temperature

 
(c)

Below critical temperature

 
(d)

Above critical temperature

 
Answer:

Option (b)

18.

SQUIDS are used to measure..........associated with brain and chest.

(a)

Power
(b)

Energy
(c)

Stress
(d)

Voltages
Answer:

Option (d)

19.

The core and coil of a cryotron are prepared with..........superconducting material.

(a)

Same
(b)

Different
(c)

Both a & b
(d)

None
Answer:

Option (b)

20.

Maglev trains are constructed based on..........effect.

(a)

Gravitation 
(b)

Electrical
(c)

Meissner
(d)

None
Answer:

Option (c)

Showing 11 to 20 out of 28 Questions
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