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Distinguish Between Type I and Type Ii Superconductor. - Applied Physics 1

Distinguish Between

Distinguish between Type I and Type II superconductor.

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Solution

Distinguish between Type I and Type II superconductor.

TYPE I SUPERCONDUCTOR
TYPE II SUPERCONDUCTOR
1. They exhibit complete Meissner effect
1.They exhibit partial Meissner effect.
1. These are perfect diamagnetics. 2.These are not perfect diamagnetics.
2. These are known as soft superconductors. 3.These are known as hard superconductors.
3. They have only one critical magnetic field. 4.They have two critical magnetic fields.
4. These materials undergoes a sharp transition from the superconducting state of the normal state at the critical magnetic field. 5.These materials undergoes a gradual transition from the superconducting state to the normal state between the two critical magnetic fields.
5. The highest value of critical magnetic field is 0.1 wb/m2. 6.The upper critical field can be of the order
of 50 wb/ m2
6. Applications are very limited. 7.They are used to generate very high magnetic field.
7. Examples:- lead, tin, mercury , etc. 8.Examples:- alloys like Nb-Sn, Nb-Ti, Nb- Zr, etc.
Concept: Applications of semiconductors : Rectifier diode, LED, Zener diode, Photo diode, Photovoltaic cell, BJT, FET, SCR., MOSFET
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