Advertisements
Advertisements
प्रश्न
What do you understand by the term magnetic field lines?
What are magnetic field lines?
Advertisements
उत्तर १
A magnetic field line is a continuous curve in a magnetic field such that tangent at any point of it gives the direction of the magnetic field at that point.
उत्तर २
Magnetic field lines are imaginary lines that indicate the direction and strength of the magnetic field around a magnet.
संबंधित प्रश्न
What are the two ways in which you can trace the magnetic field pattern of a bar magnet?
What is a magnetic field? How can the direction of magnetic field lines at a place be determined?
The shape of the earth's magnetic field resembles that of an imaginary:
(a) U-shaped magnet
(b) Straight conductor carrying current
(c) Current-carrying circular coil
(d) Bar magnet
A thick wire is hanging form a wooden table. An anticlockwise magnetic field is to be produced around the wire by passing current through this wire by using a battery. Which terminal of the battery should be connected to the:
(a) top end of wire?
(b) bottom end of wire?
Give reason for your choice.
Define the Isogonic line.
Repulsion is a surer test of magnetic condition of a body than attraction. Explain.
Draw diagram showing the arrangement of the lines of force for a single magnet.
Distinguish between
Magnetic properties of iron and steel.
A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)
