Multiple choice question VII — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. Which of the following statements is incorrect regarding magnetic field lines?

The direction of the magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass needle points.
Magnetic field lines are closed curves.
If magnetic field lines are parallel and equidistant, they represent zero field strength.
Relative strength of the magnetic field is shown by the degree of closeness of the field lines.

2. A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:

Only in the horizontal plane around the magnet
Only in the vertical plane around the magnet
In horizontal as well as vertical planes around the magnet
In all the planes around the magnet

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