Nuvoco Vistas Graduate Apprenticeship Trainee Interview Questions and Answers

A power transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Used to step up or step down voltage levels in power transmission and distribution systems

• Consists of a primary and secondary winding wrapped around a magnetic core

• Can be oil-filled or dry-type depending on the application

• Examples include distribution transformers, power transforme

A transmission line is a specialized cable designed to carry high-frequency electrical signals with minimal loss of energy.

• Transmission lines are used to transmit electrical power and data over long distances.

• They are made of conductive materials like copper or aluminum.

• Examples include power lines, coaxial cables, and fiber optic cables.

• Transmission lines have a characteristic impedance that must be matched for optima...read more