Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current and equal to the primary current one-fourth the primary current four times the primary current equal to the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current four times the primary current equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ High voltage and high output None of the listed here High voltage and small output Low voltage and high output High voltage and high output None of the listed here High voltage and small output Low voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss High thermal conductivity Mechanical strength High permeability Low hysteresis loss High thermal conductivity Mechanical strength High permeability 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 25 W 250 W 2.5 W 0 W 25 W 250 W 2.5 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency Power efficiency Energy efficiency None of the listed here Current efficiency Power efficiency Energy efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP