Q52 / 270 · NDA 2015 (Phase 2) · General Ability

Two long wires each carrying a d.c. current in the same direction are placed close to each other. Which one of the following statements is correct?

  • Correct answer
    A
    The wires will attract each other
  • B
    The wires will repel each other
  • C
    There will be no force between the wires
  • D
    There will be a force between the wires only at the moment when the current is switched ON or OFF

Solution

When wire carrying d.c. current in the same direction are placed close to each other, the wire will attract each other.

Hence, the correct answer is option: 'A'.

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