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How many electrons pass through a 20-W resistor in 10 min if there is a potential drop of 30 volts across it? Select one: а. 7.5 x1021 b. 5.6 x10 O C. 21 17 3.8x 10 O d. 1.1 x 10 O e. 21 9.4x10

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 36P: If electrical energy costs 0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W...

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Question

How many electrons pass through a 20-W resistor in 10 min if there is a potential drop of 30 volts
across it?
Select one:
a.
21
7.5 x10
O .
5.6 x1021
С.
17
21
3.8х 10
d.
21
1.1 x 10
е.
21
9.4x10

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