It is a ring form of a solenoid.

In these miniature circuit breakers, the current is run through a solenoid, and, in the event of excess current flow, the magnetic pull of the solenoid is sufficient to force open the circuit breaker's contacts (often indirectly through a tripping mechanism).

The Indian media are doing their part to strengthen the illusion of progress, latching onto the phrase closest partners in their acclaim for the agreement.

But these reports are more an example of sensationalist media latching on to a hot topic than a true account of the deterioration of scientific values.