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Magnetic Flux

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Figure 5(a) shows a loop of wire placed between the poles of a magnet. The magnetic field can be assumed uniform between the poles. The area (shown shaded) formed by the loop within the field of the magnet is 20 cm^2.

(i) Determine the magnitude of the flux density required to induce a maximum voltage of 1 V when the loop is rotated at 6000 rpm.

(ii) Determine the direction of the induced emf by copying the cross-sectional diagram of figure 5(b) and sketching the interacting field patterns on it.

Please see the attached image file for the figures.

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