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For analyzing DC circuits , generally we use different methods such as ohm’s law, network theorems and other circuit simplification tools. A DC circuit analysis

Introduction Almost every mechanical movement that we see today is accomplished by an electric motor. An electric motor takes electrical energy and produces mechanical energy.

Introduction A circuit that can be AC or DC is the combination of active elements (power supply sources) and passive elements (resistors, capacitors and inductors).

Introduction Nowadays, we often observe in newspapers and electronic media that many accidents are taking place involving electric hazards which even caused to the loss

Static Electricity- Its Perspective and Development Mr. Theophrastus in 321BC observed that the power of amber attracts straws, dry leaves after it has been rubbed

Introduction Detection of light is a basic need for everything like plants, animals and even devices. Device researchers have worked on techniques for light detection

Introduction Infrared technology addresses a wide variety of wireless applications. The main areas are sensing and remote controls. In the electromagnetic spectrum, the infrared portion

The Water Level Indicator employs a simple mechanism to detect and indicate the water level in an overhead tank or any other water container. The

Introduction NPN transistor is one of the Bipolar Junction Transistor (BJT) types. The NPN transistor consists of two n-type semiconductor materials and they are separated

Introduction Operational amplifiers can be configured to work as a variety of functional circuits such as amplifiers, oscillators, voltage regulators, filters, rectifiers etc. Most of