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The resistance of a 24 W, 12 V filament lamp depends on the current flowing through the lamp. For currents up to 0.8 A, the resistance has a constant value of 2.5 Ω. Calculate the potential difference across the lamp when a current of 0.8 A flows through the lamp.
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The resistance of a 24 W, 12 V filament lamp depends on the current flowing through the lamp. For cu...
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