88) The thickness of lamination of armature core discs is :

89) In a self excited generator, the excitation is provided by :

90) In DC generator, the shunt field contains many turns of thin wire, it has a :

91) The application of D.C. shunt generator is :

92) A DC shunt generator delivers 15 amps to a load at 220 V terminal voltage. The shunt field resistance is 2200 ohms. The armature current will be :