Positive SSL
A 0.68
B 0.53
C 0.47
D 0.39

`I_L =P/V_t` = `(5xx10^3)/100`=50A

`I_F=V_t/R_F`=100/100=1A

`I_A=I_L+I_F`=50+1=51A

`E=V_t+I_AR_A`→120=100+51×RA

RA=0.39Ω


A 3648W
B 3800W
C 3964W
D 4000W

Vt=E-IARA

Vt = 100-40×0.1=96V

IF=Vt/RF=96/48=2A

IL=IA-IF=40-2=38A

Pout=VtIL=96×38=3648W


A 30A
B 20A
C 10A
D 0A
串激式發電機,場繞組電流等於電樞電流亦等於負載電流