Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2023
An electric bulb is rated as 220 V and 80 W. When it is operated on 110 V, the power rating would be :
- A 80 W
- B 60 W
- C 40 W
- D 20 W ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
NDA2022
Which one of the following terms cannot represent electrical power in a circuit?
- A VI
- B I²R ✓
- C I²R
- D V²/R
✓ Correct answer: (B)
Science & Technology › Physics & Chemistry
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