The first type of motor built is still in widespread use In the late 1800s, several inventors built the first working motors, which used direct current (DC) power. After the invention of the induction ...

Learn how to create both AC and DC wind generators in this comprehensive guide! This video demonstrates the step-by-step ...

Despite the dominance of alternating current in our day to day lives, direct current still has some very useful applications.

Numerous examples are given to illustrate the principles of direct current and alternating current machinery and in addition there is a selection of problems, at the end of most chapters, which ...

The use of transcranial direct current stimulation (tDCS) has been hampered by the lack of knowledge to its long-term adverse effects and by the potential misuse of the technology due to its very ...