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A charged particle moves through a magnetic field perpendicular to its direction. Then
21
Nov
A charged particle moves through a magnetic field perpendicular to its direction. Then A charged particle moves through a magnetic field perpendicular to its direction. Then November 21, 2021 Category: Chapter 13 - Magnetic Effect of Current , JEE Mains Physics 2002-2019 Solved Video Solutions ,
A current I flows along the length of an infinitely long, straight, thin walled pipe. Then
21
Nov
A current I flows along the length of an infinitely long, straight, thin walled pipe. Then A current I flows along the length of an infinitely long straight thin walled pipe. Then November 21, 2021 Category: Chapter 13 - Magnetic Effect of Current , JEE Mains Physics 2002-2019 Solved Video Solutions ,
A long straight wire of radius a carries a steady current i. The current is uniformly distributed across its cross section. The ratio of the magnetic field at a/2 and 2a is
21
Nov
A long straight wire of radius a carries a steady current i. The current is uniformly distributed across its cross section. The ratio of the magnetic field at a/2 and 2a is A long straight wire of radius a carries a steady current i. The current is uniformly distributed across its cross section. The ratio [...]
Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current I1 and COD carries a current I2. 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
21
Nov
Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current I1 and COD carries a current I2. 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, [...]
Two long parallel wires are at a distance 2d apart. They carry steady equal currents flowing out of the plane of the paper as shown. The variation of the magnetic field B along the line XX’ is given by
21
Nov
Two long parallel wires are at a distance 2d apart. They carry steady equal currents flowing out of the plane of the paper as shown. The variation of the magnetic field B along the line XX’ is given by A circular coil having N turns and radius r carries a current I. It is held [...]
A horizontal overhead powerline is at a height of 4m from the ground and carries a current of 100 A from east to west. The magnetic field directly below it on the ground is (μ0 = 4π × 10^–7TmA^–1 )
21
Nov
A horizontal overhead powerline is at a height of 4m from the ground and carries a current of 100 A from east to west. The magnetic field directly below it on the ground is (μ0 = 4π × 10^–7TmA^–1 ) A horizontal overhead powerline is at a height of 4m from the ground and carries [...]
Relative permittivity and permeability of a material are εr and μr, respectively. Which of the following values of these quantities are allowed for a diamagnetic mateiral?
21
Nov
Relative permittivity and permeability of a material are εr and μr, respectively. Which of the following values of these quantities are allowed for a diamagnetic mateiral? Relative permittivity and permeability of a material are εr and μr respectively. Which of the following values of these quantities are allowed for a diamagnetic mateiral? November 21, 2021 [...]
A thin circular disk of radius R is uniformly charged with density σ >0 per unit area. The disk rotates about its axis with a uniform angular speed ω. The magnetic moment of the disk is
21
Nov
A thin circular disk of radius R is uniformly charged with density σ >0 per unit area. The disk rotates about its axis with a uniform angular speed ω. The magnetic moment of the disk is A thin circular disk of radius R is uniformly charged with density σ >0 per unit area. The disk [...]
Proton, deuteron and alpha particle of the same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton, deuteron and alpha particle are respectively rp, rd and rα. Which one of the following relation is correct?
21
Nov
Proton, deuteron and alpha particle of the same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton, deuteron and alpha particle are respectively rp, rd and rα. Which one of the following relation is correct? deuteron and alpha particle are respectively rp deuteron and alpha particle of the [...]
Two short bar magnets of length l cm each have magnetic moments 1.20 Am^2 and 1.00 Am^2, respectively. They are placed on a horizontal table parallel to each other with their N poles pointing towards the South. They have a common magnetic equator and are separated by a distance of 20.0 cm. The value of tire resultant horizontal magnetic induction at the mid – point O of the line joining their centres is close to (Horizontal component of the earth’s magnetic induction is 3.6 x 10^-5 Wb/m^2
21
Nov
Two short bar magnets of length l cm each have magnetic moments 1.20 Am^2 and 1.00 Am^2, respectively. They are placed on a horizontal table parallel to each other with their N poles pointing towards the South. They have a common magnetic equator and are separated by a distance of 20.0 cm. The value of [...]