When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around ...

An explanation of the difference between direct and alternating current. The clip includes a short historical outline of the work of Thomas Edison and Nikola Tesla. This is followed by an ...

There are two main types of electrical current that flow through your home: Alternating and direct. The vast majority of devices around you are powered by alternating current. By allowing ...

Factories are currently operated with alternating current. However, there can be many advantages to running a factory on direct current. Researchers at two Fraunhofer Institutes are developing which ...

THE second edition of this text-book is a creditable effort on the part of the author to cover, in a single volume of 730 pages, the extensive field embracing the theory and applications of direct ...

AT the present time electricians are interested in the problem of the change-over from direct current to alternating current systems of supply. Where new systems are being laid down in Great ...

The case is different with alternating current (AC) which changes direction, i.e. it becomes negative for the second half of the frequency cycle (which is 50 cycles per second in India).

An explanation of the difference between direct and alternating current. The clip includes a short historical outline of the work of Thomas Edison and Nikola Tesla. This is followed by an ...