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प्रश्न
The diagram shows a bar magnet surrounded by four plotting compasses. Copy the diagram and mark in it the direction of he compass needle for each of the cases B, C, and D.
Which is the north pole, X or Y?
उत्तर
X is the north pole.
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संबंधित प्रश्न
The metallic pointer of a plotting compass gets deflected only when it is placed near a bar magnet because the pointer has:
Fill in the blank.
Like poles ..................... each other.
By which instrument, the presence of a magnetic field be determined?
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The magnetic field inside a ______ is uniform.
A magnetic field is a ______ quantity.
No force acts in a current-carrying conductor when it is ______ to the magnetic field.
A current flowing in a wire gives rise to a magnetic field.
Magnetic fields do not interact with electric charges in motion.
The force on a charged particle moving in a magnetic field is maximum when the angle between the direction of motion and field is 90°.
