Answer the following questions related to transformers:
PHYSICS · Multi-part · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Answer the following questions related to transformers:
(a) State two essential differences between a step-up transformer and a step-down transformer with respect to (i) the number of turns in the primary and secondary windings and (ii) the voltages obtained at the two windings.
(b) Define mutual induction as used in the working of a transformer.
(c) Name any two constructional features incorporated in a transformer to minimise energy losses.