Electrical Machines The output power of a dc motor is given by EIa. EbIa2. EbIa. none of these. EIa. EbIa2. EbIa. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat generated in the transformer is dissipated mainly by convection. conduction. radiation. All of these convection. conduction. radiation. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for collecting of current convert AC armature current in to DC increase efficiency reduce losses collecting of current convert AC armature current in to DC increase efficiency reduce losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through conduction process only. both A and B. None of these induction process only. conduction process only. both A and B. None of these induction process only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 40 V. 60 V. 0 V. 20 V. 40 V. 60 V. 0 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance and leakage reactance. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance only. armature resistance, leakage reactance and armature reaction. armature resistance and leakage reactance. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance only. armature resistance, leakage reactance and armature reaction. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS