Mathematics, 29.06.2021 20:20 azaz1819
Lightbulbs act as resistors. Janine is building a circuit that contains two lightbulbs in parallel. One of the lightbulbs has a resistance of 120 ohms, but the resistance of the second lightbulb is unknown.
She models the total resistance in the
circuit, t, with this equation, in which r represents the resistance of the second lightbulb.
t = 120r/ r + 120
Find the inverse of Janine's equation.
r=
Answers: 2
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Lightbulbs act as resistors. Janine is building a circuit that contains two lightbulbs in parallel....
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