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Electromagnetism

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Question 12

The diagram shows four magnetic compasses placed at the same distance from a central point YYY.

Four compasses arranged around Y

The north-seeking end of each compass needle points in the following direction:

  • The top compass points to the left.
  • The left compass points downwards.
  • The bottom compass points to the right.
  • The right compass points upwards.

Which of the following is most likely to be located at point YYY?

a straight wire carrying conventional current perpendicular to and out of the page

a straight wire carrying conventional current perpendicular to and into the page

a permanent bar magnet oriented vertically with its North pole at the top

a flat circular current-carrying coil parallel to the page

Electromagnetism Questions

  1. A Level
  2. /Physics
  3. /Electromagnetism