A beam of electrons moves through a vacuum. As shown, the beam passes between the poles of a magnet. State the direction of the conventional current and the direction of the magnetic field.
- Aconventional current $\rightarrow$, magnetic field $\downarrow$
- Bconventional current $\rightarrow$, magnetic field $\uparrow$
- Cconventional current $\leftarrow$, magnetic field $\downarrow$
- Dconventional current $\leftarrow$, magnetic field $\uparrow$