MHT CET 2022 Physics question

A transformer works on the principle of

(A)magnetic effect of electric current
(B)self-induction
(C)heat transfer
(D)mutual inductionCorrect

Answer: (D)

Solution

A transformer has primary and secondary coils wound on a common soft-iron core. The alternating current in the primary produces a changing magnetic flux that links the secondary coil and induces an emf in it. This is mutual induction

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-095724