Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled Water cooled None of the listed here Natural air cooled Oil cooled Water cooled None of the listed here Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A None of these 15 A more than 15 A less than 15 A None of these 15 A more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 111.5 W 1,020 W 14.1 W 0 W 111.5 W 1,020 W 14.1 W 0 W 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 none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than More than None of the listed here The same as Less than More than None of the listed here The same as ANSWER DOWNLOAD EXAMIANS APP
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