The International System of Units (SI), often referred to the metric system, is a standardized framework for measuring physical quantities. It's commonly accepted worldwide and forms the basis of scientific communication. The SI system consists of seven fundamental units, which serve as the foundation for all other units. These include: meter (leng… Read More

Relays are electromechanical devices that utilize an electromagnet to switch an electrical circuit. The basic structure of a relay comprises a coil, armature, contacts, and a spring mechanism. When current flows through the coil, it creates a magnetic field which draws the armature, causing the contacts to connect. This event allows for the control… Read More