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A 100-volt bulb has a resistance of 500 ohms. The number of hours it can work for every kWh of energy consumed will be:

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A 100-volt bulb has a resistance of 500 ohms. The number of hours it can work for every kWh of energy consumed will be: Answer: 50

Question context

This question is part of ⚡ Electrical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the PTS Pakistan Testing Service preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.