Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 880 V 88 V 73 V 7.3 V 880 V 88 V 73 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be shorted fused open switched shorted fused open switched ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Power efficiency None of the listed here Energy efficiency Current efficiency Power efficiency None of the listed here Energy efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
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 four times the primary current equal to the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current four times the primary current equal to the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Purely rotating one None of the listed here Purely alternating one Partly alternating and partly rotating Purely rotating one None of the listed here Purely alternating one Partly alternating and partly rotating ANSWER DOWNLOAD EXAMIANS APP
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