Tamilnadu BoardEnglish MediumSTD 10ScienceElectricity1 Mark
Question
Define one kilowatt-hour? Give its value?
✓
Answer
One kilowatt-hour is otherwise known as one unit of electrical energy. One kilowatt-hour means that electric power of 1000 watt has been utilized for an hour.
$1 kWh =1000$ watt-hour $=1000 \times(60 \times 60)$ watt-second $=3.6 \times 10^6 J$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.