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Only for self-evaluation QUESTION 1 A series RL-circuit consist of a 21.6Q resistor and a 74mH inductor. The radial velocity in the circuit is 377rad/s and the supply voltage is represented by the equation: e(t) = 220+ 150 sinut + 120 sin(at+3 + 80 sin ( Sut volt 1.1 Determine an equation for the instantaneous current in the circuit 1.2 Calculate the active power dissipated in the resistor 1.3 Calculate the over-all power factor of the circuit. (10) [15]

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iven 7-3 R: 21-6/2 377 x 74 x10-3 : 27-398 = 35.2 2 52.2 s凢. 乙 21 6 35 282 452 2 s 35.282 S2-25 3 5 382S2-2S : for DC faat ,

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