# ps8 - ECE - 213 Date: Mon. 6 Feb 06 . Problem Set No. 8 '...

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Unformatted text preview: ECE - 213 Date: Mon. 6 Feb 06 . Problem Set No. 8 ' Due: Wed. 8 Feb 06 1. A 480/2400-V rms step-up ideal transformer delivers 50 kW to a resistive load. Calculate: (a) the turns ratio, (b) the primary current, and (c) the secondary current. 2. A 1200/240-V rms transformer has a series impedance 60,5 — 30° Q on the primary side. lfthe transformer is connected to a 0.8410° (2 load on the secondary, determine the primary and secondary currents. 3. A power transformer has a 2,000 turn primary and a 500 turn secondary and has a 12 (2 load connected across the secondary. The primary is supplied by a 240 V, 60 Hz source. Find the power absorbed by the load. 4. Determine 1’1 and 12 inthe following circuit. f 1922‘— ‘Z :3 ..--1. 321:! i L! it {...:%--jwow7f. aw at :CL ~‘: Zgo;?‘3' '4, 12 my §.LI.E1£ lilliixrtrliiiiuilrlilxrrll'r.rlilalclrll‘rial:LIi .uL'fJierrllv‘lL ltlr, lir ..ll..rt I1??:..F iii»! ELIAIJ1I|+ lilL in AT 4: L .It|l!.L|n:J!IILI»EL:J..!..TII..i Ll..,i.r'1ILll.l€I L .. .itl.i.-l...!.l§gaff.-..115:E:|Ifr.i.l:!+.r...:Iff:.!...i..r::ill...!siilirtrlif...lE1.::i-iu\$,!.:iiltiii‘ LT LEILTzEE: it.115...?..}i..ill..iiT....5:.:+.,i.|i!fvr1{. :+..I|s...lr.-!. :ilelliiil. 1.5: 1 . ...
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ps8 - ECE - 213 Date: Mon. 6 Feb 06 . Problem Set No. 8 '...

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