no 5 dan no 6 tolong yah teman teman please

5. Rp = 3 x 6 / 3 + 6 = 18 / 9 = 2 ohm
R total = 2+2+4 = 8 ohm
I = E / R + r
= 15 + 15 / 8 + 1 + 1
= 30 / 10
= 3 ampere ( C )

6. P = 121 W
V = 220 v
P = V²/R
R = V²/P = 220 x 220 / 121
= 400 ohm ( D )