R=V/I
R=12/0.09
R=133.33333333 ohm
90ma = 12v / r
r= 12v / 0.09a
r=133.33 Ω
90 mA / 1000 mA / A = 0,09 A
R = V / I
R = 12 / 0,09 = 133,333 ohmios
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Verified answer
R=V/I
R=12/0.09
R=133.33333333 ohm
90ma = 12v / r
r= 12v / 0.09a
r=133.33 Ω
90 mA / 1000 mA / A = 0,09 A
R = V / I
R = 12 / 0,09 = 133,333 ohmios