In every electrical system, we need to measure various electrical quantities such as current, voltage, power, energy, etc. For this purpose various types of measuring instruments have been developed to measure the respective quantity. Go through this article to find out more about wattmeter and energy meter. We also ... Read More

An electric circuit that is used to start an electric motor is called a starter. Depending on the type of electric motor, there are different types of starters available. In this article, we will discuss the basics of three-point starters and four-point starters which are used for DC motor starting. ... Read More

A cell is a device which can convert chemical energy into electrical energy. A cell consists of two electrodes and chemical substances inside it. When the cell is connected in a circuit, the chemical reactions take place inside the cell and as a result of these chemical reactions, an electric ... Read More

A circuit breaker is an electrical switching device that can open or close an electric circuit either normally or in case of fault. Therefore, a circuit breaker is one of the major component of an electrical power system or wiring system. A circuit breaker is usually equipped with a control ... Read More

Both servo motor and stepper motor are special electrical machines that can satisfy the basic requirements of a positioning application. Servo motors and stepper motors convert the input electrical energy into angular velocity or movement of the motor shaft. However, there are quite different from each other in the way ... Read More

An electric motor is an electromechanical energy conversion device which converts the electrical energy input into mechanical energy output in the form of rotation of shaft. Based on the types of electric supply and working, the electric motors are classified in many types such as DC motors, induction motors, synchronous ... Read More

A diode is an electronic device that can perform switching and rectification operation in an electronic circuit. Till date, various types of diodes have been developed with the advancement in technology. In this article, we will discuss about Schottky diode and PN junction diode, and highlight the major differences ... Read More

Both RADAR and SONAR are systems used for the detection of objects. Therefore, the primary function of a RADAR and a SONAR is the same, however both use different technologies. Read through this article to find out the major differences between RADAR and SONAR. Let's start with some basics of ... Read More

An electrical device that is designed for switching and protection of an electrical circuit is called circuit breaker. A circuit breaker may operate manually as well as automatically to stop the flow of current through the circuit. There are several types of circuit breakers available such as MCB, MCCB, MCPB, ... Read More

A circuit breaker is an electrical switching device that can open or close an electric circuit either normally or in case of a fault. Therefore, a circuit breaker is one of the major component of an electrical power system or wiring system. circuit breaker is usually equipped with a control ... Read More