<p>An armature coil consists of 20 turns of wire, each of area A = 0.09&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msup><mi>m</mi><mn>2</mn></msup></math>&nbsp;and total resistance 15.0<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>&#937;</mi></math>. It rotates in a magnetic field of 0.5T at a constant frequency of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>150</mn><mi mathvariant="normal">&#960;</mi></mfrac></math>&nbsp;Hz. Calculate the value of (i) maximum (ii) average induced emf produced in the coil.</p>