Ohm Exercise-2: Solution

Having an electric bulb at home that draws a current of 3.0 A at a voltage of 9.0 V.

Question: Find the resistance of the filament of the bulb when glowing.

Solution:
Using the formula I = ε / R We obtain R = ε / I = 9 V / 3 A = 3 Ω



For more details, please contact me here.
Date of last modification: 2021