Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 1 V 0 V 1.7 V 0.85 V 1 V 0 V 1.7 V 0.85 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Lesser average length per turn None of the listed here Shorter magnetic path Much longer magnetic path Lesser average length per turn None of the listed here Shorter magnetic path Much longer magnetic path 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 ? 62500 Ω 250 Ω 6250 Ω 25 Ω 62500 Ω 250 Ω 6250 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. None of the listed here Smaller than About the same as Greater than None of the listed here Smaller than About the same as Greater than ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Power transformer Voltage transformer Auto transformer Current transformer Power transformer Voltage transformer Auto transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
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