Calculate the value of the short circuit ratio if the per unit value of synchronous reactance is 4.2 Ω.

Calculate the value of the short circuit ratio if the per unit value

1.	Calculate the value of the short circuit ratio if the per unit value of synchronous reactance is 4.2 Ω.
A.	0.26
B.	0.23
C.	0.67
D.	0.72
Answer» C. 0.67