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State Bethe law. Explain electrostatic focusing.
written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.9 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k
advanced engineering physics
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written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k
  • In Electrostatic Focusing, Electrostatic lens consists of three anodes, with the middle anode at a lower potential than the other two electrodes. An electrostatic focusing system is shown in figure.
  • In figure, two anodes and its electrostatic lines and equipotential surfaces are shown.
  • Potential difference is kept between these two …

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