Transformers Transformer breaths in when load remains constant None of these load on it decreases load on it increases load remains constant None of these load on it decreases load on it increases ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 210 450 350 900 210 450 350 900 ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air None of these by the flux through cooling coil through air None of these by the flux through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current core loss copper loss magnetising current and loss efficiency magnetising current core loss copper loss magnetising current and loss efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 100 W 400 W 200 W None of the listed here 100 W 400 W 200 W ANSWER DOWNLOAD EXAMIANS APP
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