The material possessing superconducting properties is

1.	The material possessing superconducting properties is
Answer» `YbBa_(2)Cu_(2)O_(8)` `HgBe_(2)Ca_(2)Cu_(2)O_(8)` `YBa_(2)Cu_(3)O_(7)` `YBa_(2)Cu_(3)O_(7)` SOLUTION :`Y Ba_(2)Cu_(3)O_(7)` is a super-conductor.

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