Detailing Engineer Trainee Interview Questions and Answers for Freshers

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• They work on the principle of electromagnetic induction, where a changing magnetic field induces a voltage in a coil of wire.

• Transformers consist of two coils of wire, called the primary and secondary coils, wrapped around a magnetic core.

• The pr...read more