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This video explains the fundamental properties, theories, and applications of superconductors, focusing on the Meissner effect, critical temperatures, and the distinctions between Type 1 and Type 2 superconductors.
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hello all Welcome to our video on super
conductivity superc conductivity is a
fascinating science of materials that
conduct electricity with zero electrical
resistance the questions discussed in
this video are based on the properties of
of
superconductors theory which explains
the superconductors and applications of
superconductors so let us
start the first question is which of the
following statements describe the maal
effect in
superconductors the options given are a
decrease in electrical resistance with
increasing temperature option b
expulsion of magnetic fields from the
interior of of the
superconductors option C increase in
electrical conductivity with magnetic
field strength option D formation of
vertices within the super
conductor to answer this question we
must remember the mner effect ref to the
expulsion of magnetic fields from the
interior of the superconductor when it
is in the superconducting state the
superconductor will remain in
superconducting state below a certain
critical temperature therefore the
correct answer of this question will be
yes you guessed it correct option b
expulsion of magnetic fields from the
interior of the
superconductor next question which type
of superconductors exhibit a sharp
transition to the superc conducting
State the options given are type 1
superconductors type two superconductors
both type 1 and type two superconductors
and option D no sharp transition occurs
in the
superconductors to answer this question
correctly we may recall that typon
superconductors exhibit a sharp
transition from normal to superc
conducting State at a critical
temperature it is characterized by a
complete expulsion of magnetic fields
famously known as Maser effect
therefore the correct answer to this
question is type one superconductors
exhibit a sharp transition to the super
conducting State and therefore option A is
correct next question is in type two
superconductors what happens beyond the
lower critical field the options given
are option a complete expulsion of
magnetic fields B formation of vexes C
decrease in critical temperature d loss
of superc conducting state to answer
this question we must remember that
above the lower critical field type two
superconductors form vortexes which can
trap magnetic flux lines this leads to a
mixed state with partial expulsion of
magnetic fields and therefore the
correct answer to this question is in
type two superconductors there is a
formation of VES beyond the lower critical
critical
field next question is which the Theory
explains the phenomenon of
superconductivity on the basis of
pairing of
electrons the options given are option A
Ginsburg L Theory option b Plank's
Theory option C BCS Theory option D
Einstein's theory here we must remember
that the Bardin Cooper cherifer Theory
famously known as BCS Theory explains
superc conductivity it proposes that
electrons form Pairs and the pairs are
known as Cooper pairs the formation of
these Cooper pairs is due to the
attractive interaction mediated by
latice vibrations that is
phons and therefore the correct answer
Theory next question is which type of
superconductors are often used in high
magnetic field
applications the given options are
option A type one superconductors B type
two superc conductors option C both type
1 and type two can be used in high
magnetic field applications and option D
neither type 1 nor type two can be used
in high magnetic field
applications here we may recall that
type two superconductors with their
ability to tolerate High magnetic fields
and retain superc conductivity in the
presence of vertices are commonly used
in high magnetic field applications such
as MRI machines and particle
accelerators and therefore the correct
answer to this question is type two
superconductors that is option b are
applications next question is what is
the primary limitation of type 1
superconductors in high magnetic field
applications the given options are
option a high cost option b limited
critical temperature option C weak
magnetic field tolerance and option D
High electrical resistance the context
that will help us to answer this
question is type one superconductors
have limited magnetic field tolerance
and exhibit a complete expulsion of
magnetic fields below a critical field
strength thus type one superconductors
are not suitable for high magnetic field
applications and therefore the correct
answer of this question is option C weak
magnetic field [Music]
[Music] tolerance
next question is which property of
superconductors make them ideal for
developing sensitive
detectors the given options are option a
high electrical resistance option b low
magnetic field tolerance option C mner
effect and D formation of vertices to
answer this question correctly we must
recall that the Meer effect leads to the
expulsion of magnetic fields from the
interior of the superconductor this
makes them ideal for developing
sensitive detectors such as
superconducting Quantum interface device
famously known as
squids and therefore the correct answer
to this question is option C that is Maser
effect next question is which of the
following is not a characteristic of
superconductors the given options are
option a zero electrical resistance
option b expulsion of magnetic Fields
Maser effect option C increase in
critical temperature with increasing
magnetic field and option D formation of
vexes in type two superconductors the
facts which will lead to the correct
answer of this question is
superconductors exhibit zero electrical
resistance expulsion of magnetic fields
and formation of vortexes in type two
superconductors however the critical
temperature typically decreases in the
presence of magnetic fields and thus the
correct answer to this question is
option C increase in critical
fields next question is which of the
primary advantage of using type two
superconductors in high magnetic field
applications the given options are
option a complete expulsion of magnetic
fields option B Sharp transition to the
superconducting state option C tolerance
to the high magnetic fields and option D
low cost the information that will lead
to the correct answer is type two
superconductors can tolerate higher
magnetic fields and retain superc
conductivity in the presence of VES this
makes them suitable for high magnetic
field applications such as MRI machines
and particle
accelerators and therefore the correct
answer to this question is option C
fields next question is which
application of superconductivity
utilizes the mner effect the given
options are option a magnetic resonance
imaging MRI option b power transmission
lines option C magnetic levitation mag
TRS and option D superc conducting
Quantum interface devices squids the
points which we must consider to answer
this question correctly are MRI utilizes
strong uniform magnetic fields created
by super conducting electr magnets power
transmission lines are based on near
zero resistance of
superconductors and Squids exploit the
Josephson effect it is a phenomenon that
arises due to the W like nature of
electrons in
superconductors mag TRS utilize the mner
effect to levitate and Propel the train
above a track using superconducting
magnets and electromagnetic propulsion
and therefore the correct answer to this
question is option C that is magnetic
limitation magnetic TRS utilizes the mner
effect next question is which type of
superconductors are often used in high
precision magnetometers and sensors the
given options are option A type one
superconductors option b type two
superconductors option C both type 1 and
type two superconductors can be used in
high precision magnetometers and sensors
and option D neither type 1 nor type two
superconductor s can be used in high
precision magnetometers and sensors to
answer this question correctly we may
recall that type two superconductors
possesses the ability to retain super
conductivity in the presence of VES thus
they are commonly used in high precision
magnetometers and sensors such as
superconducting Quantum interface
devices squids and therefore the correct
answer of this question is option b type
two superconductors are often used in
sensors thank you for watching this
video I hope this has helped you in
understanding the concept of
superconductivity in a better way
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