Alternating current (a.c.) is an oscillation of electrons or 'back and forward' movement. One full cycle of alternating current is shown in the diagram below: ...

Capacitors play three important roles in an electronic ... Common applications include turning alternating current (AC) to direct current (DC), isolating signals from a supply, and mixing signals. The ...

This article will help CBSE Class 12 Science students. We have given NCERT Solutions for Class 12 Physics Chapter 7 Alternating Current here. At Jagran Josh, these solutions are prepared by the ...