Electrical Machines The output power of a dc motor is given by none of these. EbIa. EbIa2. EIa. none of these. EbIa. EbIa2. EIa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is 40 660 60 600 40 660 60 600 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous motor. induction motor. synchronous generator. induction generator. synchronous motor. induction motor. synchronous generator. induction generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Slip ring induction motor. Synchronous motors. Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. Universal motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is N12 : N22. 1 : 1. N1 : N2. none. N12 : N22. 1 : 1. N1 : N2. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will increase by 200% remain unaltered increase by 100% reduced to half increase by 200% remain unaltered increase by 100% reduced to half ANSWER DOWNLOAD EXAMIANS APP
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