Waveform and Phasor Representation of Alternating Currents and Voltages

The value and direction of the e.m.f. induced in a conductor rotating at constant speed in a uniform magnetic field (Figure 40(a)) vary according to the position of the conductor. Figure 40 Alternating e.m.f. and current https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315863122/b66584da-ae46-426e-a83c-08160dc244ad/content/fig1_40.tif"/>