The generated emf when it is running as a generator= 238.16V
The generated emf as a motor taking 60A= 236.12V
<h3>Calculation of Electromotive force (emf)</h3>
The Resistance of the machine= 0.102
The connected voltage = 230V
The formula for emf; E= V +IR
The generated emf when it is running as a generator,
= 230 + (80*0.102)
= 230 + 8.16
= 238.16V
The generated emf as a motor taking 60A;
= 230 + (60 * 0.102)
= 230 + 6.12
= 236.12V
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= -4 + 10i + 10i -25i^2 = -4 + 20i + 25 = 21 + 20i, because i^2 = -1.
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