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प्रश्न
Define magnetic field.
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उत्तर
The space around a magnet in which its magnetic effect or influence is observed.
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संबंधित प्रश्न
Draw magnetic field lines around a bar magnet.
Where do the manufactures use a magnetic strip in the refrigerator? Why is this magnetic strip used?
A magnet attracts:
The metallic pointer of a plotting compass gets deflected only when it is placed near a bar magnet because the pointer has:
List two methods of producing magnetic fields.
Explain with the help of a diagram how the intensity and direction of the magnetic field of a bar magnet can be determined.
State Fleming’s Left Hand Rule.
A magnetic field exerts no force on ______.
The magnetic field lines due to a straight wire carrying current are parallel.
Assertion (A): The work done by a magnetic field on a moving charge is zero.
Reason (R): In a magnetic field force is perpendicular to the velocity.
