When /?2 is tne rotor resistance, .X2 the rotor reactance at supply fr – McqOptions

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1.	When /?2 is tne rotor resistance, .X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condi-tions will be
A.	sR2X2 = 1
B.	sR2 = X2
C.	R2 = sX2 i
D.	R2 = s2X2
Answer» D. R2 = s2X2

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