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A uniform magnetic field is a magnetic field that has the same magnitude and throughout the region under consideration,.
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Important Questions on Magnetism and Magnetic Effects of Electric Current
MEDIUM
An electron is moving along direction with a velocity of . It enters a region of uniform electric field of pointing along direction. The magnitude and direction of the magnetic field set up in this region such that the electron keeps moving along the x direction will be:
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The magnetic lines of force inside a bar magnet
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Which of the following statements is true.
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Choose the incorrect statement from the following regarding magnetic lines of field:
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The magnetic field lines due to a bar magnet are correctly shown in,
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Lines of force of bar magnet are
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Magnetic line of forces
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If the magnetic induction varies in magnitude and _____ at different points in a region, the magnetic field is said to be non-uniform.
HARD
If the magnetic lines of force are shaped like arcs of concentric circles with their centre at point in a certain section of a magnetic field:
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Which of the following is not correct about the magnetic field lines?
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Inside a bar magnet, the magnetic field lines
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A tangent to a point on the magnetic lines of force gives us the direction of,
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The negatively and uniformly charged non - conducting disc as shown is rotated clockwise. The direction of the magnetic field at point A in the plane of the disc is
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Two lines of force due to a bar magnet:
MEDIUM
Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current and COD carries a current . The magnetic field on a point lying at a distance from O, in a direction perpendicular to the plane of the wires AOB and COD, will be given by
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The magnetic field lines due to a bar magnet are correctly shown in,
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The area around the magnet in which magnetic materials are attracted by the magnet is called the _____.
HARD
For the magnetic field lines shown in the diagram mark the incorrect statement(s).
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Two lines of force due to a bar magnet:
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Magnetic lines of forces are ______