Problem 1-a A DC machine operates as a generator. The machine is connected as a shunt generator, with a brushvoltage drop of 2 volts. The armature resistance is 0.20 Ω and the shunt field winding resistance is 200 Ω.The generator is producing 12 KW at 240 v at its output terminals. Determine:a) The armature current  

2-b     A DC machine operates as a motor. The machine is connected as a short shunt motor, with a brushvoltage drop of 2 volts. The armature resistance is 0.20 Ω, the series field winding resistance is 0.1 Ω andthe shunt field winding resistance is 200 Ω.The input voltage is 210 V and the input current is 50 amps. The rotational losses are 100 watts. Determine:b) The net output power, the power at the motor shaft in watts., Enter the answer in watts, i.e., 1.8 KW enter your answer as 1800 

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