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Topic Electrical Energy
Asked 2 times across 2 UPSC exams over 1 years (2021–2022), peaking in 2022.
Key insights
- Most tested in NDA — 1 of 2 PYQs
- Most asked in 2022
- Recurs across 2 years (2021–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CISF 2021 → NDA 2022
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2022
The commercial unit of electrical energy is kilowatt-hour (kWh), which is equal to
- A 3·6×10⁶ J ✓
- B 3·6×10³ J
- C 10³ J
- D 1 J
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
CISF2021
A 100 W electric bulb is used for 8 hrs/day. What would be the units of energy consumed in the month of April ?
- A 24 units ✓
- B 16 units
- C 8 units
- D 0·8 units
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
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