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ECE · Q224

Materials And Components

Engineering and GATE · ECE · question 224

Q224

Which one of the following is the best definition of a superconductor?

A.
It is a material showing perfect conductivity and meissner effect below a critical temperature
Answer
B.
It is a conductor having zero resistance
C.
It is a perfect conductor with highest diamagnetic susceptibility
D.
It is a perfect conductor but becomes resistive when the current density through it exceeds a critical value

Answer: Option A

Solution

Answer: Option A
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