Transformers Transformer breaths in when load on it increases load remains constant load on it decreases None of these load on it increases load remains constant load on it decreases None of these 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 0 W 2.5 W 25 W 250 W 0 W 2.5 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Voltage Time period Power Frequency Voltage Time period Power ANSWER DOWNLOAD EXAMIANS APP
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? 88 V 880 V 73 V 7.3 V 88 V 880 V 73 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil by the flux None of these through air through cooling coil by the flux None of these through air ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 95 % 65% 75% 85% 95 % 65% 75% ANSWER DOWNLOAD EXAMIANS APP
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