Electrical Machines In which of the following, voltage regulation may be zero or negative unity power factor leading power factor lagging power factor All of these unity power factor leading power factor lagging power factor All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? None of these pure capacitive load pure inductive load pure resistive load None of these pure capacitive load pure inductive load pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Demagnetization None of these Magnetization Cross magnetization Demagnetization None of these Magnetization Cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? cross magnetization All of these magnetization demagnetization cross magnetization All of these magnetization demagnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 18° 36° 72° 30° 18° 36° 72° ANSWER DOWNLOAD EXAMIANS APP