• The readings of A and B will bedifferent at different points of the Earth.

  • Both A and B will have the same reading at all points on the Earth.

  • The readings of A will be the same but the readings of B will be different at different places.

  • The readings of A will be different but those of B will be the same at different points on the Earth.


The readings of A will be different but those of B will be the same at different points on the Earth.