In an A.C generator, when the plane of the armature is perpendicular to the magnetic field\

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Professor PC Thomas Classes · Answer

Magnetic flux, $\phi_{\mathrm{B}}=\mathrm{BA} \cos 	heta$ Where $	heta$ is the angle between normal to the plane of the coil and magnetic field\ Induced emf, $\varepsilon=\mathrm{BA} \sin 	heta$\ Here, $	heta=0^{\circ}$\ $	herefore$ Magnetic flux is maximum and induced emf is zero.\