Problem 73-4 Source:
Problem developed by the author of the site.
On a television screen, whose anode voltage is 25 kV, it attracts an electron beam to
the formation of an image with an intensity of 320 uA. What is the amount of electrons that
arrive on the screen per second and what is the power consumed?
Solution of the Problem 73-4
We know from eq. 74-04, the relation between the problem variables. Thus,
by rearranging the equation, we get:
Replacing with numeric values
The power consumed by the device is:
