Question: Q. 4. (i) Draw a labelled diagram of a step-up transformer. Obtain the ratio of secondary to primary voltage in terms of number of turns and currents in the two coils.
(ii) A power transmission line feeds input power at
U] [Delhi I, III 2017]
Show Answer
Solution:
Ans. (i) Labelled diagram of a step up transformer
(ii) Calculation of number of turns in the secondary.
(i) Try yourself, Similar to Q. 1 (a) Long Answer Type Questions.
(ii)
[CBSE Marking Scheme 2017]
