If Xa is the armature reactance of a synchronous machine and Xl is the leakage reactance of the same machine, then the synchronous reactance is ____________

If Xa is the armature reactance of a synchronous machine and Xl is the

1.	If Xa is the armature reactance of a synchronous machine and Xl is the leakage reactance of the same machine, then the synchronous reactance is ____________
A.	X<sub>a</sub>+X<sub>l</sub>
B.	¬¨¬®≈í¬©(X<sub>a</sub>)
C.	1/2(X<sub>a</sub>+X<sub>l</sub>)
D.	None of the mentioned
Answer» B. ¬¨¬®≈í¬©(X<sub>a</sub>)