The International System of Units (SI), often known as the metric system, is a standardized framework for determining physical quantities. It's widely accepted globally and forms the basis of scientific interaction. The SI system consists of seven primary units, these serve as the foundation for all other units. These include: meter (length), kilog… Read More


Relays are electromechanical devices that utilize an electromagnet to switch an electrical path. 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 close. This action allows for the control of … Read More