Question: Question # 0 1 ( 2 0 ) A dc machine is connected across a 2 4 0 - volt line. It rotates at 1

Question # 01(20) A dc machine is connected across a 240-volt line. It rotates at 1200 rpm and is generating 230 volts. The armature current is 40 amps. (a) Is the machine functioning as a generator, or as a motor? (b) Determine the resistance of the armature circuit. (c) Determine power loss in the armature circuit resistance and the electromagnetic power. (d) Determine the electromagnetic torque in newton-meters. (e) If the load is thrown off, what will the generated voltage and the rpm of the machine be, Assuming no armature reaction.

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