Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency 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 ? 6250 Ω 250 Ω 62500 Ω 25 Ω 6250 Ω 250 Ω 62500 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Core Bushings Secondary winding Primary winding Core Bushings Secondary winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load None of the listed here Half full load No load Full load None of the listed here Half full load No load ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency magnetising current and loss copper loss core loss magnetising current efficiency magnetising current and loss copper loss core loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Auto transformer Voltage transformer Power transformer Current transformer Auto transformer Voltage transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
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