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  9. Q205

RRB Technician (Grade I Signal + Grade III) 2024 · Question 205 of 1214

Consider a long conducting wire carrying a current. Which of the following statements is NOT true?

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  1. AThe magnetic field will reverse the direction if we reverse the current.
  2. BWe can use Fleming's left-hand rule to determine the direction of magnetic field.Correct
  3. CThe magnetic field decreases as we move away from the wire.
  4. DThe strength of the magnetic field increases if we increase the current.

Answer: B. We can use Fleming's left-hand rule to determine the direction of magnetic field.

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 23 Dec Shift 1 (9:00 AM - 10:30 AM) (testpaper.org compilation) · memory-based

← Q204View full paper (1214 questions)Q206 →

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