Asked by Joyce
The potential difference between the anode and the cathode of a vacuum tube is 2.0 x 10^2 V. Free electrons originate at the cathode with negligible speed and move to the anode. The speed with which the electrons arrive at the anode is?
Answers
Answered by
Damon
(1/2) m v^2 = q V
m is electron mass
q is electron charge (assume positive)
m is electron mass
q is electron charge (assume positive)
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