Find the nature of the armature voltage, Electrical Engineering

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Q. The flux-density distribution produced in a two - pole synchronous generator by an acexcited field winding is

B(θ, t) = Bm sin ω1t cos θ

Find the nature of the armature voltage induced in an N-turn coil if the rotor (or field) rotates at ω2 rad/s. Comment on the special case when ω1 = ω2 = ω.


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