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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
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
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:
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
The magnetic lines of force inside a bar magnet
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Which of the following statements is true.
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Choose the incorrect statement from the following regarding magnetic lines of field:
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
The magnetic field lines due to a bar magnet are correctly shown in,
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Lines of force of bar magnet are
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Magnetic line of forces
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
If the magnetic induction varies in magnitude and _____ at different points in a region, the magnetic field is said to be non-uniform.
HARD
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux

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:

EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Which of the following is not correct about the magnetic field lines?
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Inside a bar magnet, the magnetic field lines
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
A tangent to a point on the magnetic lines of force gives us the direction of,
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
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

EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Two lines of force due to a bar magnet:
MEDIUM
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current I 1  and COD carries a current I 2 .  The magnetic field on a point lying at a distance d from O, in a direction perpendicular to the plane of the wires AOB and COD, will be given by
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
The magnetic field lines due to a bar magnet are correctly shown in,
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
The area around the magnet in which magnetic materials are attracted by the magnet is called the _____.
HARD
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
For the magnetic field lines shown in the diagram mark the incorrect statement(s).

                
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Two lines of force due to a bar magnet:
EASY
Physics>Electricity Magnetism>Magnetism and Magnetic Effects of Electric Current>Magnetic Field Lines and Magnetic Flux
Magnetic lines of forces are ______