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Use the Diagram for the Next Three Problems

Question 15

Multiple Choice

Use the diagram for the next three problems. Use the diagram for the next three problems. Electrons traveling at a speed of v<sub>0</sub> = 3 * 10<sup>7</sup> m/s pass through the deflection plates. The electric field between the plates is E = 5000 V/m and spans a distance of x<sub>1</sub> = 5 cm. The electrons then travel a further distance of x<sub>2</sub> = 40 cm along the x-axis. -In which direction should the magnetic field be applied so that the electron lands undeflected at a? A) 1 B) 2 C) 3 D) 4 E) 5 Electrons traveling at a speed of v0 = 3 * 107 m/s pass through the deflection plates. The electric field between the plates is E = 5000 V/m and spans a distance of
x1 = 5 cm. The electrons then travel a further distance of x2 = 40 cm along the x-axis.
-In which direction should the magnetic field be applied so that the electron lands undeflected at a?


A) 1
B) 2
C) 3
D) 4
E) 5

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