Electrons accelerate at a high rate from the negative to the positive electrode of an x-ray tube, and emit x-rays when they slam into a metallic target. If the potential difference between the electrodes is 125,000 V, then (a) how much work is done by the field on each electron? (b) What is the kinetic energy of an electron when it reaches the positive electrode?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter26: Electric Potential
Section: Chapter Questions
Problem 76PQ: An electric potential exists in a region of space such that V = 8x4 2y2 + 9z3 and V is in units of...
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Electrons accelerate at a high rate from the negative to the positive electrode of an x-ray tube, and emit x-rays when they slam into a metallic target. If the potential difference between the electrodes is 125,000 V, then (a) how much work is done by the field on each electron? (b) What is the kinetic energy of an electron when it reaches the positive electrode?

 

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