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Shunt capacitance is neglected while considering short transmission line.

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Answer : The speed of a D.C. shunt motor can be increased by increasing the resistance in field circuit.

Answer : The armature torque of the D.C. shunt motor is proportional to armature current.

Answer : As the load is increased the speed of D.C. shunt motor will reduce slightly.

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Answer : The speed of a D.C. shunt motor more than its full-load speed can be obtained by decreasing the field current.

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Answer : To improve voltage at receiving end and power factor

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