A student uses two compass needles to investigate the magnetic field around a bar magnet….

A student uses two compass needles to investigate the magnetic field around a bar magnet. Which of the following diagrams show the correct directions of the needles?

  • A.
    A
  • B.
    B
  • C.
    C
  • D.
    D
Correct Answer: Option B
Explanation

By convention, the field direction is taken to be outward from the North pole and in to the South pole of the magnet. Also, they form closed lines.

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