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Q8. (a) State the relationship between impedance, voltage and current. (6)

(b) A 4-pole shunt generator with lap connected armature has field and armature resistances of 50Ω and 0.1Ω respectively. It supplies power to sixty 100V, 40 W lamps. Calculate the total armature current, the current per armature path, and the generated electromotive force. Allow a contact drop of 1V per brush. (10)