Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 13 Ω 1.3 Ω 7.8 Ω 78 Ω 13 Ω 1.3 Ω 7.8 Ω 78 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Resistance and leakage reactances None of the listed here Ampere turns and voltage per turns Currents and induced voltages Resistance and leakage reactances None of the listed here Ampere turns and voltage per turns Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Oil cooled transformer Auto transformer Air-cooled transformer Welding transformer Oil cooled transformer Auto transformer Air-cooled transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 2.5 W 0 W 25 W 250 W 2.5 W 0 W 25 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to supply frequency Inversely proportional to primary voltage Directly proportional to supply frequency None of the listed here Inversely proportional to supply frequency Inversely proportional to primary voltage Directly proportional to supply frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ 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 Low voltage and high output High voltage and high output ANSWER DOWNLOAD EXAMIANS APP
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