Question

Fig. 6 shows a sealed box containing only dry air. At a particular instant, one of the air molecules in the box is situated at P and it is moving towards face ABCD along the direction shown by the arrow. Fig. 6 (a) Describe and explain a possible path of the molecule within the box. .............................................................................................................................................. .................................................................................................

Answer 1

Answer:

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Two single-phase transformers, one 200 KVA and the other 500 KVA are supplying a total load of 700 KVA at a power factor of 0.9 lagging. Calculate the output power of each transformer. The impedance of transformers referred to the secondary are respectively 0.014 + 0.06 02 and 0.007 + 0.043 Q2 per phase. The no load voltages are 660 10° and 640 (10° respectively

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