College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Chapter 20, Problem 12PE
Electron guns are used in X-ray tubes. The electrons are accelerated through a relatively large voltage and directed onto a metal target, producing X-rays. (a) How many electrons per second strike the target if the current is 0.500 mA? (b) What charge strikes the target in 0.750 s?
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. Electron guns are used in X-ray tubes. The electrons are accelerated through a relatively large voltage
and directed onto a metal target, producing X-rays.
(a) How many electrons per second strike the target if the current is 0.5 mA?
electrons per second
(b) What charge strikes the target in 0.8 s?
AQ=
C
Electron guns are used in X-ray tubes. The electrons are accelerated through a relatively large voltage and directed onto a metal target, producing X-rays.
(a) How many electrons per second strike the target if the current is 0.55 mA?
(b) What charge strikes the target in 0.7 s?
The current supplied by a battery as a function of time is I(t) = (0.56 A)e -t/(6.0 hr). What is the total number of electrons transported from the positive electrode to the negative electrode from the time the battery is first used until it is essentially dead? (e = 1.60 × 10-19 C)
Chapter 20 Solutions
College Physics
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