Introduction • Electric heating is a process in which electrical energy is converted to heat. • When current is passed through a conductor, the conductor becomes hot (…

Classification of Lines Lines may be classified either electrically or physically Electrical Classification  1. Direct Current (DC) Systems DC 2-wire, 1-wire earthed DC …

What  is the Procedure of Transportation of Transformer? Transportation and Unloading at site Power transformers are usually very reliable, but it requires lot of care …

What is refrigeration? The term refrigeration may be defined as the process of removing heat from a substance under controlled conditions. It also includes the pro…

Servomotor? A  servomotor  is a  linear actuation that allows for precise control of angular or linear position, velocity and acceleration.It also requires a relati…

What is an Multimeter? A multimeter or a multitester, also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measur…

What is voltmeter? A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters mov…