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In a dc shunt motor the terminal voltage is halved while the torque is kept constant. The resulting approximate variation in speed 'o' and
In a dc shunt motor the terminal voltage is halved while the torque is kept constant. The resulting approximate variation in speed 'o' and armature current 'I' will be (B) @ is constant and I is doubled. (A) Both and I are doubled. (C) @ is doubled while I is halved. (D) @ is constant but la is halved.
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Electric Machinery
Authors: Charles Kingsley, Jr, Stephen D. Umans
6th Edition
71230106, 9780073660097, 73660094, 978-0071230100
