Correct option is D
Magnetic Circuit:
· A magnetic circuit is a system in which magnetic flux is confined and guided through a closed path, often consisting of magnetic materials like iron or steel.
· Examples of magnetic circuits include devices that operate based on the principles of magnetism, such as transformers, motors, and generators.
A flip-flop is an electronic circuit used in digital systems for storing binary information (0s and 1s).
It operates based on semiconductors and does not involve magnetic circuits.
