The International System of Units (SI) stands as the global standard for measurement. It encompasses a unified set of units that are derived on fundamental physical properties. These base units, such as the meter for length and the kilogram for mass, act as the foundation for calculating other units within the system. The SI system utilizes a decim… Read More

Relays are electromechanical instruments that utilize an electromagnet to switch an electrical circuit. The basic arrangement of a relay comprises a coil, armature, contacts, and a spring mechanism. When current flows through the coil, it creates a magnetic field which pulls the armature, causing the contacts to close. This process allows for the c… Read More