Transformers The flux in the core of a single phase transformer is _____ Partly alternating and partly rotating Purely rotating one None of the listed here Purely alternating one Partly alternating and partly rotating Purely rotating one None of the listed here Purely alternating one ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ? 25 Ω 250 Ω 62500 Ω 6250 Ω 25 Ω 250 Ω 62500 Ω 6250 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density none of above will happen hot because primary will carry heavy current cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density none of above will happen hot because primary will carry heavy current ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at None of the listed here No load Half full load Full load None of the listed here No load Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High silicon content High permeability All of the listed here Low hysteresis loss High silicon content High permeability All of the listed here Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Secondary winding Primary winding Core Bushings Secondary winding Primary winding Core Bushings ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS