The harnessing of electricity has played a pivotal role in human history and has exponentially expedited our growth as a species. Since becoming a household commodity in the late 19th century, ...

The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...

Alternating Current Class 12 MCQ Questions: Chapter 7 Alternating Current from CBSE Class 12 Physics discusses how it's quite common to encounter voltages and currents that vary over time. For ...

NCERT Exemplar Solutions for Class 12 Physics Chapter 7 Alternating Current are available here. Here, you will get solutions of short answer type questions (i.e. question number 7.21 to 7.26). We have ...

THE conversion of alternating current into current pulsating in one direction is a problem which electrical engineers have been studying for many years. In the early days of the industry, a serious ...