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A long straight wire carrying a current of 30 A is placed in an external uniform magnetic field. of induction 4×10^−4 T. The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesia at a point 2.0 cm away from the wire is (μ0=4π×10^−7H/m)
21
Nov
A long straight wire carrying a current of 30 A is placed in an external uniform magnetic field. of induction 4×10^−4 T. The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesia at a point 2.0 cm away from the wire is (μ0=4π×10^−7H/m) A proton [...]
In the diagram I1,I2 are the strength of the currents in the loop and straight conductors respectively OA=AB=R. The net magnetic field at the centre O is zero. Then the ratio of the currents in the loop and the straight conductors is
21
Nov
In the diagram I1,I2 are the strength of the currents in the loop and straight conductors respectively OA=AB=R. The net magnetic field at the centre O is zero. Then the ratio of the currents in the loop and the straight conductors is A proton is projected with a uniform velocity ′v′ along the axis of [...]
Two particles of masses ma and mb and same charge are projected in a perpendicular magnetic field. They travel along circular paths of radius ra and rb such that ra>rb . Then which is not possible ?
21
Nov
Two particles of masses ma and mb and same charge are projected in a perpendicular magnetic field. They travel along circular paths of radius ra and rb such that ra>rb . Then which is not possible ? A proton is projected with a uniform velocity ′v′ along the axis of a current carrying solenoid then [...]
An electron having charge 1.6×10^−19 and mass 9×10^−31kg is moving with 4×10^6 ms^−1 speed in a magnetic field 2×10^−1 tesla in a circular orbit. The force acting on electron and the radius of the circular orbit will be:
21
Nov
An electron having charge 1.6×10^−19 and mass 9×10^−31kg is moving with 4×10^6 ms^−1 speed in a magnetic field 2×10^−1 tesla in a circular orbit. The force acting on electron and the radius of the circular orbit will be: A proton is projected with a uniform velocity ′v′ along the axis of a current carrying solenoid [...]
An electron enters the space between the plates of a charged capacitor as shown. The charge density on the plate is σ . Electric intensity in the space between the plates is E. A uniform magnetic field B also exists in that space perpendicular to the direction of E. The electron moves perpendicular to both E→ and B→ without any change in direction. The time taken by the electron to travel a distance l in that space is
21
Nov
An electron enters the space between the plates of a charged capacitor as shown. The charge density on the plate is σ . Electric intensity in the space between the plates is E. A uniform magnetic field B also exists in that space perpendicular to the direction of E. The electron moves perpendicular to both [...]
An electron is moving at a speed of 100 m/s along the x -axis through uniform electric and magnetic fields. The magnetic field is directed along the z -axis and has magnitude 5.0 T . In unit vector notation, what is the electric field?
21
Nov
An electron is moving at a speed of 100 m/s along the x -axis through uniform electric and magnetic fields. The magnetic field is directed along the z -axis and has magnitude 5.0 T . In unit vector notation, what is the electric field? A proton is projected with a uniform velocity ′v′ along the [...]
A charged particle with velocity 2×10^3 m/s passes undeflected through electric and magnetic fields in mutually perpendicular directions. The magnetic field is 1.5 telsa. The electric field intensity will be
21
Nov
A charged particle with velocity 2×10^3 m/s passes undeflected through electric and magnetic fields in mutually perpendicular directions. The magnetic field is 1.5 telsa. The electric field intensity will be A proton is projected with a uniform velocity ′v′ along the axis of a current carrying solenoid then November 21, 2021 Category: Chapter 4 - [...]
Electrons move at right angles to a magnetic field of 1.5 x 10^-2 Tesla with a speed of 6 x 10^7 m/s If the specific charge of the electron is 1.7 x 10^11 Coul/kg. The radius of the circular path will be
21
Nov
Electrons move at right angles to a magnetic field of 1.5 x 10^-2 Tesla with a speed of 6 x 10^7 m/s If the specific charge of the electron is 1.7 x 10^11 Coul/kg. The radius of the circular path will be A proton is projected with a uniform velocity ′v′ along the axis of [...]
In the figure shown a semicircular wire loop is placed in uniform magnetic field 2.0 T. The plane of the loop is perpendicular to the magnetic field. A current of 1.5 A flows in the loop in the direction shown. The radius of the loop is 1.0 m. The magnitude of the magnetic force on the loop is nearly
21
Nov
In the figure shown a semicircular wire loop is placed in uniform magnetic field 2.0 T. The plane of the loop is perpendicular to the magnetic field. A current of 1.5 A flows in the loop in the direction shown. The radius of the loop is 1.0 m. The magnitude of the magnetic force on [...]
A proton moves with a speed of 5.0×10^6 m/s−1 along the x-axis. It enters a region where there is a magnetic field of magnitude 2.0 tesla directed at an angle of 30∘ to the x-axis and lying in the xy plane. The magnitude of the magnetic force on the proton is
21
Nov
A proton moves with a speed of 5.0×10^6 m/s−1 along the x-axis. It enters a region where there is a magnetic field of magnitude 2.0 tesla directed at an angle of 30∘ to the x-axis and lying in the xy plane. The magnitude of the magnetic force on the proton is A proton is projected [...]