Given the flow of current and the voltage, the resistance of the lamp is 80 Ohms.
Ohm’s law states that the potential difference between two points is directly proportional to the current flowing through the resistance.
V = IR
Where V is the voltage or potential difference, I is the current and R is the resistance.
Given the data in the question;
Plug the given values into the equation above and solve for R.
V = IR
120 = 1.5 × R
R = 120/1.5
R = 80Ω
Given the flow of current and the voltage, the resistance of the lamp is 80 Ohms.
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