The armature core of a D.C. generator is usually made of

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 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
• The armature of D.C. generator is laminated to
• 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 demagnetising component of armature reaction in a D.C. generator
• A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave
• In a separately excited generator supplying rated load the armature reaction ,
• Armature reaction in a generator results in
• The number of armature parallel paths in a two-pole D.C. generator having duplexlap winding is
• As a result of armature reaction, the reduction in the total mutual air gap flux in aD.C. generator is approximately