153717 A charged particle enters a uniform magnetic field with a certain speed at right angles to it. In the magnetic field a change could occur in its

153721 A $5 \mathrm{~m}$ long straight wire carrying $2 \mathrm{~A}$ current is placed parallel to infinitely long straight wire carrying 5 A current in air at $10 \mathrm{~cm}$ from it. The currents flow in the same direction, the force on the shorter wire is

153722 A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $20 \mathrm{Vm}^{-1}$ and $0.5 \mathrm{~T}$ at right angles to the direction of motion of the electrons, what is the velocity of the electrons?

153724 An ion with a charge of $+3.2 \times 10^{-19} \mathrm{C}$ is in a region where a uniform electric field of $5 \times 10^{4}$ $\mathrm{V} / \mathrm{m}$ is perpendicular to a uniform magnetic field of $0.8 \mathrm{~T}$. If its acceleration is zero, then its speed must be

153717 A charged particle enters a uniform magnetic field with a certain speed at right angles to it. In the magnetic field a change could occur in its

153721 A $5 \mathrm{~m}$ long straight wire carrying $2 \mathrm{~A}$ current is placed parallel to infinitely long straight wire carrying 5 A current in air at $10 \mathrm{~cm}$ from it. The currents flow in the same direction, the force on the shorter wire is

153722 A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $20 \mathrm{Vm}^{-1}$ and $0.5 \mathrm{~T}$ at right angles to the direction of motion of the electrons, what is the velocity of the electrons?

153724 An ion with a charge of $+3.2 \times 10^{-19} \mathrm{C}$ is in a region where a uniform electric field of $5 \times 10^{4}$ $\mathrm{V} / \mathrm{m}$ is perpendicular to a uniform magnetic field of $0.8 \mathrm{~T}$. If its acceleration is zero, then its speed must be

153717 A charged particle enters a uniform magnetic field with a certain speed at right angles to it. In the magnetic field a change could occur in its

153721 A $5 \mathrm{~m}$ long straight wire carrying $2 \mathrm{~A}$ current is placed parallel to infinitely long straight wire carrying 5 A current in air at $10 \mathrm{~cm}$ from it. The currents flow in the same direction, the force on the shorter wire is

153722 A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $20 \mathrm{Vm}^{-1}$ and $0.5 \mathrm{~T}$ at right angles to the direction of motion of the electrons, what is the velocity of the electrons?

153724 An ion with a charge of $+3.2 \times 10^{-19} \mathrm{C}$ is in a region where a uniform electric field of $5 \times 10^{4}$ $\mathrm{V} / \mathrm{m}$ is perpendicular to a uniform magnetic field of $0.8 \mathrm{~T}$. If its acceleration is zero, then its speed must be

153717 A charged particle enters a uniform magnetic field with a certain speed at right angles to it. In the magnetic field a change could occur in its

153721 A $5 \mathrm{~m}$ long straight wire carrying $2 \mathrm{~A}$ current is placed parallel to infinitely long straight wire carrying 5 A current in air at $10 \mathrm{~cm}$ from it. The currents flow in the same direction, the force on the shorter wire is

153722 A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $20 \mathrm{Vm}^{-1}$ and $0.5 \mathrm{~T}$ at right angles to the direction of motion of the electrons, what is the velocity of the electrons?

153724 An ion with a charge of $+3.2 \times 10^{-19} \mathrm{C}$ is in a region where a uniform electric field of $5 \times 10^{4}$ $\mathrm{V} / \mathrm{m}$ is perpendicular to a uniform magnetic field of $0.8 \mathrm{~T}$. If its acceleration is zero, then its speed must be