Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? None of these either increase or decrease decrease increase None of these either increase or decrease decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is sinusoidal co- sinusoidal rectangular flat-topped sinusoidal co- sinusoidal rectangular flat-topped ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is None of these DC. AC. armature is not present in DC generator. None of these DC. AC. armature is not present in DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Mechanical power. Induced emf. Armature current. Can not be determined. Mechanical power. Induced emf. Armature current. Can not be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on stray losses. dielectric losses. core losses. copper losses. stray losses. dielectric losses. core losses. copper losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is 40 V 50 V zero 20 V 40 V 50 V zero 20 V ANSWER DOWNLOAD EXAMIANS APP
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