Question

10. A beam of electrons is directed to a region between oppositely charged parallel plates as shown in the diagram below. [5 marks] 9 V 0.020 m 0 V 380 V 0 V a) The electron beam is generated within the vertical plates by accelerating electrons from rest through an electric potential difference of 380 V. What is the speed of the electrons as they leave the 380 V plate? [Hint: work is done on the electron by the electric field] b) What is the electrostatic force (electric force) on electrons in the region between the horizontal plates when they are connected to a 9.0 V potential difference?

          10. A beam of electrons is directed to a region between oppositely charged parallel plates as shown in the diagram below. [5 marks]
9 V
0.020 m
0 V 380 V 0 V
a) The electron beam is generated within the vertical plates by accelerating electrons from rest through an electric potential difference of 380 V. What is the speed of the electrons as they leave the 380 V plate?
[Hint: work is done on the electron by the electric field]
b) What is the electrostatic force (electric force) on electrons in the region between the horizontal plates when they are connected to a 9.0 V potential difference?

10. A beam of electrons is directed to a region between oppositely charged parallel plates as shown in the diagram below. [5 marks]
9 V
0.020 m
0 V 380 V 0 V
a) The electron beam is generated within the vertical plates by accelerating electrons from rest through an electric potential difference of 380 V. What is the speed of the electrons as they leave the 380 V plate?
[Hint: work is done on the electron by the electric field]
b) What is the electrostatic force (electric force) on electrons in the region between the horizontal plates when they are connected to a 9.0 V potential difference?

Added by David H.

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