In a four-pole D.C. machine

Related MCQs

• Which D.C. motor will be preferred for machine tools ?
• Which one of the following is not the function of pole shoes in a D.C. machine ?
• Which of the following method of speed control of D.C. machine will offer minimum efficiency ?
• The hysteresis loss in a D.C. machine least depends on
• Which of the following could be lamina-proximately the thickness of laminations of a D.C. machine ?
• Copper brushes in D.C. machine are used
• Iron losses in a D.C. machine are independent of variations in
• Armature reaction of an unsaturated D.C. machine is
• Eddy currents are induced in the pole shoes of a D.C. machine due to
• In case of D.C. machine winding, number of commutator segments is equal to