EASY
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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 +x direction with a velocity of 6×106ms-1. It enters a region of uniform electric field of 300 V/cm pointing along +y 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:
HARD

If the magnetic lines of force are shaped like arcs of concentric circles with their centre at point O in a certain section of a magnetic field:

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EASY
If the magnetic induction varies in magnitude and _____ at different points in a region, the magnetic field is said to be non-uniform.
EASY
A tangent to a point on the magnetic lines of force gives us the direction of,
EASY
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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EASY
Choose the incorrect statement from the following regarding magnetic lines of field:
EASY
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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