Q3. 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 .
Calculate the voltage across the lamp when a current of 0.8 A flows through the lamp. (2 marks)
Answers: 3
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Q3. The resistance of a 24 W, 12 V filament lamp depends on the current flowing through the lamp.
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