Electrical Machines Transformer action requires a constant magnetic flux. increasing magnetic flux. alternating magnetic lux. alternating electric flux. constant magnetic flux. increasing magnetic flux. alternating magnetic lux. alternating electric flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon both 2 and 3 load current supply frequency maximum flux density both 2 and 3 load current supply frequency maximum flux density ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf? 200V 10V 100V 20V 200V 10V 100V 20V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called cogging. crawling. slip. skewing. cogging. crawling. slip. skewing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of power factor and dc excitation at constant load All of these supply voltage and field current at constant excitation power factor and supply voltage during hunting power factor and dc excitation at constant load All of these supply voltage and field current at constant excitation power factor and supply voltage during hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. ANSWER DOWNLOAD EXAMIANS APP
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