A Flashlight uses two 1.5 V batteries to provide a steady current of 0.5 A in the filament. Determine the resistance of the glowing filament.
A Flashlight uses two 1.5 V batteries to provide a steady current of 0.5 A in the filament. Determine the resistance of the glowing filament.
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Given: For each battery, V1 = V2 = 1.5 volt,
I = 0.5 A
To find: Resistance (R)
Formula: V = IR
Calculation: Total voltage, V = V1 + V2 = 3 volt
From formula,
R = \(\frac{V}{I}\) = \(\frac{3}{0.5}\) = 6.0 Ω
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