Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2020
Two equal resistors R are connected in parallel, and a battery of 12 V is connected across this combination. A dc current of 100 mA flows through the circuit as shown below : The value of R is
- A 120 Ω
- B 240 Ω
- C 60 Ω ✓
- D 100 Ω
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
NDA2020
A metallic wire having resistance of 20 Ω is cut into two equal parts in length. These parts are then connected in parallel. The resistance of this parallel combination is equal to
- A 20 Ω
- B 10 Ω
- C 5 Ω ✓
- D 15 Ω
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
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