An electron gun fires electrons at the screen of a television tube. The electrons start from rest
Question:
An electron gun fires electrons at the screen of a television tube. The electrons start from rest and are accelerated through a potential difference of 30,000 V. What is the energy of the electrons when they hit the screen?
(a) In electron volts and
(b) In joules?
(c) What is the speed of impact of electrons with the screen of the picture tube?
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Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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