The slope of the V-I curve is 86.5°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.
(a) 16.34 Ω
(b) 15.88 Ω
(c) 48.43 Ω
(d) 54.57 Ω
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This key question is from Induction Motors topic in division Speed Control of Direct Current Motors & Induction Motors of Electric Drives