Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2025
Which one of the following statements is NOT correct?
- A An ammeter is always connected in series in the circuit to measure the current
- B A Voltmeter is always connected to parallel in a circuit to measure the voltage
- C A voltmeter has a high resistance and an ammeter has a low resistance
- D A voltmeter has a low resistance and an ammeter has a high resistance ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
NDA2020
The instrument used for detecting the presence of electric current in a circuit is
- A Refractometer
- B Galvanometer
- C Viscometer ✓
- D Diffractometer
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
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