Answer the following questions related to an ideal transformer:
PHYSICS · Multi-part · CBSE · Physics · Alternating Current · Alternating Current
Problem
Answer the following questions related to an ideal transformer:
(i) List the two principal assumptions that make a practical transformer behave ideally.
(ii) Starting from the principle of conservation of energy, derive the relationship VpVs=NpNs and IpIs=NsNp for an ideal transformer.
(iii) Using your result in part (ii), explain qualitatively why stepping up the voltage necessarily steps down the current in an ideal transformer.