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Q. A 75-kVA transformer has an iron loss of 1 kW and a full-load copper loss of 1 kW. If the transformer operates on the following load cycle, determine the all-day efficiency:
8 hours full load at unity power factor
8 hours no load
8 hours one-half full load at unity power factor
What is Voltage Multiplying DACs? Multiplying DACs function on the principle of producing a weighted sum analog signal where the sum is proportional to the digital input signal
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#question. . =calculate the calcium carbonate equivalent hardness of calcium sulphate of 5gms present in one litre
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Q . Materials that can store electrical energy are called (A) magnetic materials. (B) semi conductors. (C) dielectric materials. (D) super conductors. Ans: C
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