2.1- Given the complex number A1 = 5 angulo 60 and A2 = -3-j4,  (a) convert A1 to rectangular form; (b) convert A2 to polar and exponential  form; (c) calculate A3 = A1 +A2, giving your answer in polar form; (d) calculate  A4 = A1*A2 giving your answer in rectangular form; (e) calculate A5 = A1/(A2)*  giving your answer in exponential form.
2.4- For the single phase circuit shown, I = 10 angulo 0. (a)  Compute the phasors I1,I2 and V. (b) Draw a phasor diagram.
2.17- An industrial plant consisting primarily of induction  motor loads absorb 1000 KW at 0.7 power factor lagging. (a) Compute a required  KVA rating of a shunt capacitor to improve a power factor to a 0.9 lagging. (b)  Draw the power triangle.
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L R Montes
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