NOT many years ago a certain type of journalist used to compare and contrast the theorist and the practical man, to the demolition of the former and the apotheosis of the latter. Fortunately, such an ...

THE second edition of this text-book is a creditable effort on the part of the author to cover, in a single volume of 730 pages, the extensive field embracing the theory and applications of direct and ...

Why is sparking observed when an electric appliance is suddenly switched off? A 60V, 10W lamp is to be used on AC source of 100V,60Hz. Calculate the inductance of the choke coil required to be put in ...

Alternating current circuits improve the versatility and usefulness of electric power systems. In the late 1800s, Nikola Tesla demonstrated phenomena with alternating current (AC) electricity that ...

Get CBSE class 12th Physics key notes on alternating current. These notes are continuation of CBSE Class 12th Physics Notes: Alternating Current Part ‒ I and Part – II. In part I, we have studied ...

Abstract: The current issue of this Standard is a revision of the previous issue C62.1-1957 to change many of the definitions, to add a new definition titled "Virtual Duration of Wave Front" which ...

Inductance is the link between electric circuits and magnetic fields. Voltage and current sine waves are in-phase when they peak and cross the zero axis at the same time. However, this rarely happens ...

It hasn’t been that long since humans figured out how to create power grids that integrated multiple generators and consumers. Ever since AC won the battle of the currents, grid operators have had to ...