<p>A 10 kW transformer has 20 turns in the primary and 100 turns in the secondary circuit. An a.c. voltage&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>&#949;</mi><mn>1</mn></msub></math>&nbsp;= 600 sin 314 t is applied to the primary. Find (i) the maximum value of flux and (ii) the maximum value of the secondary voltage.</p>