V=I·r
12 = 1,5x (2r₁)
r₁=r₂=12/3=4 ohm
r(paralel2)=r₁/2=2 ohm
P=V²/r
=12x12/2
=72 watt
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V=I·r
12 = 1,5x (2r₁)
r₁=r₂=12/3=4 ohm
r(paralel2)=r₁/2=2 ohm
P=V²/r
=12x12/2
=72 watt