Q. 49 The per unit power output of a salient pole generator which is connected to an infinite bus is given by the expression,
, where 
is the load angle. Netwton Raphson method is used to calculate the value of for P = 0.8 pu . If the initial guess is 
, then its value (in degree) at the end of the first iteration is
(A) 
(B)
(C)
(D)
Answer:(C)
Explanation:
