A three-phase emf source is one having three distinct emf's. Such a three-phase source is said to be balanced when (1) the three emf's have the same effective values, and (2) the vectors representing ...

Definition. A sine function of x is of the form Frequent reference is made in the text to the average and effective values of a sine function. These are now defined.

Alternating current circuits, three phase circuits, basics of electromagnetic field theory, magnetic circuits, inductance, electromechanical energy conversion. Ideal transformer, iron-core transformer ...

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 ...