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प्रश्न
A compass is used for ______.
विकल्प
plotting magnetic lines
detection of magnetic field
navigation
All of these
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उत्तर
All of these
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संबंधित प्रश्न
List three sources of 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.
Define magnetic field.
Choose the incorrect statement from the following regarding magnetic lines of field
A magnetic field is a ______ quantity.
A current flowing in a wire gives rise to a magnetic field.
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°.
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.
Define magnetic shielding.
A wire placed along north south direction carries a current of 5A from south to north. Find the magnetic field due to a 1m piece of wire at a point 200 cm north east from the piece.
