A Chopper is an electronic circuit which controls or reduces a dc supply.  Their function can be compared to an ac transformer.  In an AC tr...

Electrical conduction in materials occurs due to the free electrons which drift about the atomic lattice.  In an atom, the electrons in the ...

Germanium is used in specific applications such as communication, spectroscopy, etc.  They have largely been replaced with silicon.  Germani...

Silicon diodes are diodes in which the P and N materials are made of silicon.  Silicon Diode have a a forward bias voltage of 0.7 volts.  Th...

Silicon is the most popular and widely used of the semiconductors.    There are many factors which have made silicon the material of choice ...

When a P type material and a N type material are brought in contact with each other, some of the holes in the P material migrate to the N re...

Barrier Potential in a PN junction refers to the potential required to overcome the barrier at the PN junction. When a P material and N ma...