Superconductors interview questions
Superconductors interview questions
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Total Questions: 15
1. A solid that offers no _________ passage of electricity is called super conductors.
Correct Answer is : Resistance
2. The phenomena of super conductors was first discovered by ___________
Correct Answer is : Kammerlingh Onnes
3. Super conductors are discovered in the year _______
Correct Answer is : 1911
4. The earliest superconductors to be studied elaborately is ________
Correct Answer is : Niobium alloy
5. The shifting of electrons in super conductors is prevented by _________
Correct Answer is : Quantum effect
6. The electrons head in ___________ direction.
Correct Answer is : Same
7. The normal metal passes into super conducting state at ___________
Correct Answer is : Critical temperature
8. Based on magnetic response super conductors are of __________ types.
Correct Answer is : 2
9. Ideal super conductors completely become __________ at super conducting state.
Correct Answer is : Diamagnetic
10. The ideal super conductors exhibit __________
Correct Answer is : Meissner effect
11. The hard super conductors are those in which the ideal behaviour is seen up to a ________ critical magnetic field.
Correct Answer is : Lower
12. This functions as a super conductor at a critical temperature of ________
Correct Answer is : 90oK
13. The constituents of this material that is yttrium, barium and copper are in ____________
Correct Answer is : 0.043090278
14. Preparation of super conductors by ceramic method by homogeneous mixture of the oxides __________ in their molar ratios.
Correct Answer is : Y2O3, BaCO3, CuO
15. Annealing the homogeneous mixture to room temperature to retain its __________
Correct Answer is : Composition, structure and its properties
