A 4 ohm and a 2 ohm coil are connected in parallel. what is their combined resistance ? A … coils. what current passes through the 2…
Answers:
4 Ω and 2 Ω coil are connected in parallel.
Combined resistance is R
1/R = 1/4 + 1/2 = 3/4
R = (4/3) Ω
Total current I = V/R = 3 Ω
V/(4/3) = 3
V = 3 × 4/3 = 4 V
Current through 2 Ω coil = V/2 = 4/2 = 2A