Question

Review 7 Part A A problem of practical interest is to make a beam of electrons turn a 90" comer. This can be done wilth the Should the bottom plate be charged positive or negative relative to the top plate # you want the electron to turn to the right? paralielplate capacitor shown in the figure(Figure 1 An electron with kinetic energy 34 10-17J enters through a small hole in the bottom plate of the capacitor Positive Negative. Figure 1 of 1 Submit PartB electric field is neaded if the electron is to emerge from an exit hole 10 cn away from the entrance hole, traveing at right angles to its original direction? Express your answer to two significant fiqures and include the appropriate HA Electrons

Answer 1