Which statement correctly describes a superconductor?
-
-
-
-
Correct answer A. Its resistance becomes zero below a critical temperature
Explanation
Below its critical temperature a superconductor's resistance drops abruptly to zero, so a current can flow without any energy loss as heat.
Answer checked · How we write and check questions
Tip: press A, B, C or D to answer, and N for the next question.
Advertisement
Discussion