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 ...

To ensure that the minimum amount of power is lost from the cables: the cables are thick so that their resistance is low high voltages are used to reduce the current through the transmission lines ...

Car batteries, dry cells and solar cells all provide a direct current (dc) that only flows in one direction. An alternating current regularly changes direction. On a voltage-time graph ...