Answered

1) Series DC Circuit
ET
20 V
R₁
R₂
R3
R4
Total
tılılı
R
390 Ω
4700 Ω
8200 Ω
10,000 £2
R₁
ww
ww
R4
1
E
20 V
R2
m
Formulas
m
PT= R3
P