What is virtual Reality ? Today the Virtual reality (VR) technology is applied to advance fields of medicine, engineering, educatio...

Introduction In our daily life and different branches of industry there are many cases which require to know the temperature of environm...

Introduction A voltmeter is also known as voltage meter. It is an instrument used for measuring the potential difference, or voltage bet...

INTRODUCTION  Triacs are electronic components that are widely used in AC power control applications. They are able to switch high vol...

  INTRODUCTION It refers to the use of nanotechnology in electronics components.  These components are often only a few nano meters in...