What do you mean by Persistent Currents in Superconductors?

ANSWER : Persistent currents in superconductors refer to the phenomenon where electric currents continue to flow indefinitely without any applied voltage or power source.

When a superconductor is cooled below its critical temperature, it enters a state of zero electrical resistance, allowing current to flow without any loss of energy.

Once a current is established in a superconductor, it can persist indefinitely due to the absence of resistance. This persistent current can be useful for applications like superconducting magnets, where a continuous current is needed without the need for an external power supply. It is a fascinating property that distinguishes superconductors from regular conductors.

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