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Home Q & A Board Science-Related Homework Help Physics
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dewsae dewsae
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2 years ago
The figure shows a 2.0-cm diameter roller that turns at 90 rpm. A 4.0-cm wide plastic film is being wrapped onto the roller, and this plastic carries an excess electric charge having a uniform surface charge density of 5.0 nC/cm2. What is the current of the moving film?




▸ 11 μA

▸ 190 nA

▸ 23 μA

▸ 30 nA
Textbook 
Essential University Physics

Essential University Physics


Edition: 3rd
Author:
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faulkeerybfaulkeeryb
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2 years ago
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dewsae Author
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2 years ago
Brilliant ツ
Jose^2
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Yesterday
Just got PERFECT on my quiz
jasonbourne
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2 hours ago
Thanks for your help!!
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