Walker, Halliday & Resnick — Induction and Inductance: Problem 32

32 A rectangular loop (area \(= 0.15 \text{ m}^2\)) turns in a uniform magnetic field, \(B = 0.20 \text{ T}\). When the angle between the field and the normal to the plane of the loop is \(\pi/2 \text{ rad}\) and increasing at \(0.90 \text{ rad/s}\), what emf is induced in the loop?