A horizontal beam of electrons initially moving at v, = 3.6x107 m/s is deflected by the vertical electric field between oppositely charged plates as shown in Figure 1 below. The magnitude of the electric field E = 2.0×104 N/C. The horizontal length of the plates L=2.5 cm. You can ignore any gravitational effect here. A. What is the direction of the electric field between the plates? B. What is the charge per unit area on the plates? C. What is the vertical deflection d of the electrons as they leave the plate? Y = 3.6x107 m/s Figure 1 L = 2.5 cm 1| Page
A horizontal beam of electrons initially moving at v, = 3.6x107 m/s is deflected by the vertical electric field between oppositely charged plates as shown in Figure 1 below. The magnitude of the electric field E = 2.0×104 N/C. The horizontal length of the plates L=2.5 cm. You can ignore any gravitational effect here. A. What is the direction of the electric field between the plates? B. What is the charge per unit area on the plates? C. What is the vertical deflection d of the electrons as they leave the plate? Y = 3.6x107 m/s Figure 1 L = 2.5 cm 1| Page
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