Condensed Matter Physics-Superconductivity [CSIR (Council of Scientific & Industrial Research) Physical Sciences]: Questions 1 - 4 of 4
Choose Programs:
📹 Video Course 2024 (400 Lectures [266 hrs : 6 mins]): Offline Support
Rs. 1640.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
🎓 Study Material (487 Notes): 2024-2025 Syllabus
Rs. 450.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 696 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 350.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Passage
A flux quantum (fluxoid) is approximately equal to . A type II superconductor is placed in a small magnetic field, which is then slowly increased till the field starts penetrating the superconductor. The strength of the field at this point is gauss. (June)
Question 1 (1 of 2 Based on Passage)
Appeared in Year: 2016
Question MCQ▾
The penetrate depth of this superconductor is –
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 2 (2 of 2 Based on Passage)
Appeared in Year: 2016
Question MCQ▾
The applied field is further increased till superconductivity is completely destroyed. The strength of the field is now . The correlation length of the superconductor is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 3
Appeared in Year: 2022
Question MCQ▾
Lead is superconducting below and has a critical magnetic field tesla close to . At the critical current that flows through a long lead wire of radius is closest to
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 4
Appeared in Year: 2022
Question MCQ▾
To measure the height of a column of liquid helium in a container, a constant current is sent through an wire of length , as shown in the figure. The normal state resistance of the wire is. If the superconducting transition temperature of is , then the measured voltage is best described by the expression
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |