What is the working principle of a Transformer?

Electrical and Electronic Engineering (EEE) : Transformers - Quiz(MCQ)

Transformer works on the principle of ampere law

Transformer works on the principle of coulomb law

Transformer works on the principle of self induction

Transformer works on the principle of mutual induction

Correct Answer : Option (D) : Transformer works on the principle of mutual induction

Explanation : A transformer is an electrical device used to vary the input voltage. Transformer works on the principle of mutual induction.

Recently Updated in Transformers Questions

Which of the following parts of a transformer is visible from outside?

Core

Bushings

Primary winding

Secondary winding

Correct Answer : Bushings

A no-load test is performed on a transformer to determine

efficiency

copper loss

magnetising current

magnetising current and loss

Correct Answer : magnetising current and loss

Natural oil cooling is used for transformers up to a rating of

250 kVA

500 kVA

1000 kVA

3000 kVA

Correct Answer : 3000 kVA