Physics Group - I (3110011) MCQs

MCQs of Superconductivity

Showing 11 to 20 out of 39 Questions
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11.
For superconductors, material must be __________ in nature
(a) piezoelectric
(b) diamagnetic
(c) ferromagnetic
(d) paramagnetic
Answer:

Option (b)

12.
Factors that define superconducting state are
(a) critical temperature
(b) critical atomic density
(c) all of these
(d) critical electric field
Answer:

Option (a)

13.
The critical field value is very low for
(a) Type II superconductors
(b) Type I superconductors
(c) Type 0 superconductors
(d) can't say
Answer:

Option (b)

14.
Y1 Ba2 Cu3 O7 is an example of
(a) Type I superconductors
(b) Type II superconductors
(c) Type 0 superconductors
(d) Type III superconductors
Answer:

Option (b)

15.
Is the process by which an object is suspended above another object with no other support but magnetic fields.
(a) Air levitation
(b) Magnetic levitation
(c) electric levitation
(d) surface levitation
Answer:

Option (b)

16.
The magnetic levitation is brought about by enormous repulsion between __________ magnetic fields.
(a) two highly powerful
(b) too weak
(c) random
(d) non-uniform
Answer:

Option (a)

17.
__________ demonstrates zero resistance and Meissner effect properties for superconductors.
(a) Maglev
(b) Persistence current
(c) SQUID
(d) Cryotron
Answer:

Option (a)

18.
Electromagnetic suspension has __________ force exerted between train and guideways.
(a) attractive
(b) repulsive
(c) non-uniform
(d) insufficient information
Answer:

Option (a)

19.
Electrodynamic suspension is __________ force between train and track.
(a) attractive
(b) repulsive
(c) normal
(d) inclined
Answer:

Option (b)

20.
Maglev trains travel at speed of about
(a) 500 miles per hour
(b) 500 m/s
(c) 500 km per hour
(d) 500 km/s
Answer:

Option (c)

Showing 11 to 20 out of 39 Questions
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