The resistance of armature winding depends on

Related MCQs

• The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be
• Two D.C. shunt generators, each with armature resistance of 0.02 ohm and field resistance of 50 ohm run in parallel and supply a total current of 1000 amperes to the load circuit. If their e.m.fs. are 270 V and 265 V, their bus bar voltage will be
• If R2 is the resistance of secondary winding of the transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be
• Two generators A and B have 6-poles each. Generator A has wave wound armature while generator B has lap wound armature. The ratio of the induced e.m.f. is generatorA and B will be
• For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f. ?
• The following constitute short-circuit in the armature winding.
• The number of armature parallel paths in a two-pole D.C. generator having duplexlap winding is
• In a D.C. generator in case the resistance of the field winding is increased, then output voltage will
• In a D.C. generator the critical resistance refers to the resistance of
• The critical resistance of the D.C. generator is the resistance of