1 unit = 1 kWh = 3.6 × 10 6 Joules. For 250 units: 250 × 3.6 × 10 6 = 9 × 10 8 Joules. Common in electricity billing, 1 unit means 1 kWh.

9 × 10 8 Joules 1 unit = 1 kWh = 3.6 × 10 6 Joules. For 250 units: 250 × 3.6 × 10 6 = 9 × 10 8 Joules. Common in electricity billing, 1 unit means 1 kWh.

If a home uses 250 units, what is total energy in Joules?

Q. If a home uses 250 units, what is total energy in Joules?
Answer: 9 × 10⁸ Joules
Notes: 1 unit = 1 kWh = 3.6 × 10⁶ Joules. For 250 units: 250 × 3.6 × 10⁶ = 9 × 10⁸ Joules. Common in electricity billing, 1 unit means 1 kWh.

Question Source: 📚This question has been sourced from GKToday's Target UPSC Prelims for 2026, 2027 & 2028 App Exclusive Course in GKToday Android Application which provides more than 12K Topicwise UPSC Prelims General Studies questions with explanations framed on UPSC pattern. Download the app here.

📌 Question Number: 33 in History of Physics, Physicists, Branches of Physics, Fundamental Units in the above course in App.

Current Affairs

Daily MCQs

Monthly MCQs

Topic Wise CA MCQs

CA MCQs in Other Languages

GK MCQs Section

SSC/RRB/States Level MCQs