Given, area of rectangular coil, A=25cm×10cm ⇒A=250cm2=0.025m2 No. of turns in the coil, N=300 Magnetic field strength, B=4×10−2T Peak voltage will be induced when the longer side of the coil moves perpendicular to the magnetic field. ω=2πν=2π×50=100π Induced emf is given by ε=NBAω =300×40×10−2×0.025×100π=3πV