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 ? 6250 Ω 250 Ω 62500 Ω 25 Ω 6250 Ω 250 Ω 62500 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Dynamic induction Static induction Mutual induction Self induction Dynamic induction Static induction Mutual induction Self induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ Low voltage and high output High voltage and high output High voltage and small output None of the listed here Low voltage and high output High voltage and high output High voltage and small output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as None of the listed here More than Less than The same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP