153415 The rod with circular cross-section area $2{\mathrm{cm}}^2$ and length $40\mathrm{cm}$ is wound uniformly with 400 turns of an insulated wire. If a current of $0.4\mathrm{A}$ flows in the wire windings, the total magnetic flux produced inside windings is $4\pi \times {10}^{-6}\mathrm{Wb}$. The relative permeability of the rod is
(Given: Permeability of vacuum ${\mu }_0=4\pi \times {10}^{-7}$ ${\mathbf{N}\mathbf{A}}^{-2}$ )

153416 A particle of mass $2.2\times {10}^{-30}\mathrm{kg}$ and charge $1.6\times {10}^{-19}\mathrm{C}$ is moving at a speed of $10\mathrm{km}{\mathrm{S}}^{-1}$ in circular path of radius $2.8\mathrm{cm}$ inside a solenoid. The solenoid has $25\frac{\text{ turns }}{\mathrm{cm}}$ and its magnetic field is perpendicular to the plane of the particle's path. The current in the solenoid is (Take $\mu =4\pi \times {10}^{-7}\mathrm{H}{\mathrm{m}}^{-1}$ )

153417 A long solenoid carrying a current produces a magnetic field $B$ along its axis. If the current is doubled and the number of turns per $\mathrm{cm}$ is halved, the new value of magnetic field will be equal to

153418 The magnetic field inside a solenoid of crosssection area $4.4{\mathrm{cm}}^2$, length $1.0\mathrm{m}$, is $2\times {10}^{-4}\mathrm{T}$, The magnetic energy stored in the solenoid is

153415 The rod with circular cross-section area $2{\mathrm{cm}}^2$ and length $40\mathrm{cm}$ is wound uniformly with 400 turns of an insulated wire. If a current of $0.4\mathrm{A}$ flows in the wire windings, the total magnetic flux produced inside windings is $4\pi \times {10}^{-6}\mathrm{Wb}$. The relative permeability of the rod is
(Given: Permeability of vacuum ${\mu }_0=4\pi \times {10}^{-7}$ ${\mathbf{N}\mathbf{A}}^{-2}$ )

153416 A particle of mass $2.2\times {10}^{-30}\mathrm{kg}$ and charge $1.6\times {10}^{-19}\mathrm{C}$ is moving at a speed of $10\mathrm{km}{\mathrm{S}}^{-1}$ in circular path of radius $2.8\mathrm{cm}$ inside a solenoid. The solenoid has $25\frac{\text{ turns }}{\mathrm{cm}}$ and its magnetic field is perpendicular to the plane of the particle's path. The current in the solenoid is (Take $\mu =4\pi \times {10}^{-7}\mathrm{H}{\mathrm{m}}^{-1}$ )

153417 A long solenoid carrying a current produces a magnetic field $B$ along its axis. If the current is doubled and the number of turns per $\mathrm{cm}$ is halved, the new value of magnetic field will be equal to

153418 The magnetic field inside a solenoid of crosssection area $4.4{\mathrm{cm}}^2$, length $1.0\mathrm{m}$, is $2\times {10}^{-4}\mathrm{T}$, The magnetic energy stored in the solenoid is

153415 The rod with circular cross-section area $2{\mathrm{cm}}^2$ and length $40\mathrm{cm}$ is wound uniformly with 400 turns of an insulated wire. If a current of $0.4\mathrm{A}$ flows in the wire windings, the total magnetic flux produced inside windings is $4\pi \times {10}^{-6}\mathrm{Wb}$. The relative permeability of the rod is
(Given: Permeability of vacuum ${\mu }_0=4\pi \times {10}^{-7}$ ${\mathbf{N}\mathbf{A}}^{-2}$ )

153416 A particle of mass $2.2\times {10}^{-30}\mathrm{kg}$ and charge $1.6\times {10}^{-19}\mathrm{C}$ is moving at a speed of $10\mathrm{km}{\mathrm{S}}^{-1}$ in circular path of radius $2.8\mathrm{cm}$ inside a solenoid. The solenoid has $25\frac{\text{ turns }}{\mathrm{cm}}$ and its magnetic field is perpendicular to the plane of the particle's path. The current in the solenoid is (Take $\mu =4\pi \times {10}^{-7}\mathrm{H}{\mathrm{m}}^{-1}$ )

153417 A long solenoid carrying a current produces a magnetic field $B$ along its axis. If the current is doubled and the number of turns per $\mathrm{cm}$ is halved, the new value of magnetic field will be equal to

153418 The magnetic field inside a solenoid of crosssection area $4.4{\mathrm{cm}}^2$, length $1.0\mathrm{m}$, is $2\times {10}^{-4}\mathrm{T}$, The magnetic energy stored in the solenoid is

153415 The rod with circular cross-section area $2{\mathrm{cm}}^2$ and length $40\mathrm{cm}$ is wound uniformly with 400 turns of an insulated wire. If a current of $0.4\mathrm{A}$ flows in the wire windings, the total magnetic flux produced inside windings is $4\pi \times {10}^{-6}\mathrm{Wb}$. The relative permeability of the rod is
(Given: Permeability of vacuum ${\mu }_0=4\pi \times {10}^{-7}$ ${\mathbf{N}\mathbf{A}}^{-2}$ )

153416 A particle of mass $2.2\times {10}^{-30}\mathrm{kg}$ and charge $1.6\times {10}^{-19}\mathrm{C}$ is moving at a speed of $10\mathrm{km}{\mathrm{S}}^{-1}$ in circular path of radius $2.8\mathrm{cm}$ inside a solenoid. The solenoid has $25\frac{\text{ turns }}{\mathrm{cm}}$ and its magnetic field is perpendicular to the plane of the particle's path. The current in the solenoid is (Take $\mu =4\pi \times {10}^{-7}\mathrm{H}{\mathrm{m}}^{-1}$ )

153417 A long solenoid carrying a current produces a magnetic field $B$ along its axis. If the current is doubled and the number of turns per $\mathrm{cm}$ is halved, the new value of magnetic field will be equal to

153418 The magnetic field inside a solenoid of crosssection area $4.4{\mathrm{cm}}^2$, length $1.0\mathrm{m}$, is $2\times {10}^{-4}\mathrm{T}$, The magnetic energy stored in the solenoid is