Question

39) Read the following statements and choose the 3
CORRECT option
(1) A transformer is a device used in the power
transmission of electric energy and works on basic
principles of electromagnetic induction and mutual
induction.
(ii) Based on the medium of core used, the
transformers are classified as (a) Step-up
क
Transformer and (b) Step-down Transformer. के
(i​

Answer 1

Answer:

1 is right answer...........