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A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω. A steady current of 0.5 A flows through the circuit. Calculate : (i) the total energy supplied by the battery in 10 minutes, (ii) the resistance of the bulb, and (iii) the energy dissipated in the bulb in 10 minutes. |
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Answer» A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω. A steady current of 0.5 A flows through the circuit. Calculate : (i) the total energy supplied by the battery in 10 minutes, (ii) the resistance of the bulb, and (iii) the energy dissipated in the bulb in 10 minutes. |
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