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A single phase energy meter has the rating 1200 resolutions/ kWh. If a 500 W electric gadget is used for 4 hours, the energy meter will make

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A single phase energy meter has the rating 1200 resolutions/ kWh. If a 500 W electric gadget is used for 4 hours, the energy meter will make Answer: 2400 revolutions

0.5 x 4 = 2 kWh = 2 x 1200 revolutions.

Question context

This question is part of 📡 Electronics and Communication Engineering (ECE) within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.