[" Q."2" An alternating current generator has an internal resistance "R_(g)" and "a" ."],[" internal reactance "X_(g)" .It is used to supply power to a passive is "],[" consisting of a resistance "R_(g)" and a reactance "X_(L)" .For maximum power "],[" to delivered from the generator to the load,the value of "X_(k)" is equal to "],[[" (c) zero "," (b) "X_(g)],[" (c) For delivering maximum power the generator the load,total internal reachn "],[" thence,",x_(n)=x_(ext)],[rArr,x_(9)=(x_(L))^(2)=-x_(L)],[rArr,rArrquad x_(-x)^(2)=-x_(L)]]