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3. a Find Rea for the circuit given in Figure 3. 42 12 Rea 352 392 Figure 3 [2 marks] [CLO1, PLOI, C3] b. Convert the delta (
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الا 42 series or a parallel In series sr equivalent = (1+5) =62 6h paralled 32 equivalent = (643) - 22 o redraws 42 series orore draw 2 42 parallel. or - 42 paralled - ceny o redraws for equivalent = 2:42 ( 42 2 82 a series, - 42,86, 2.46 are in seriRc 2512 5s Se z lor let, the star (Y) net work will be _ RI R2 wR. Rc Rat Rot Ry To x25 5+lo +25 -bs -) - 5л В. - ( Е., в.) = ( 11 ) — В. В. ( Rat Rot Rc 15 25 15+16 +25 1.5л. В. – К. К. (So the equivalent star (%) retwork will be a a R152 m / 3R2 = 7.5.12 =32 smo / Answer)

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