A beam contains 1.7 x 1010 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 5.0 x 105 m/s. What is (a) the magnitude of the current density and (b) direction of the current density J. (c) What additional quantity do you need to calculate the total current i in this ion beam? (a) Number i Units +
A beam contains 1.7 x 1010 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 5.0 x 105 m/s. What is (a) the magnitude of the current density and (b) direction of the current density J. (c) What additional quantity do you need to calculate the total current i in this ion beam? (a) Number i Units +
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Chapter1: Units, Trigonometry. And Vectors
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![A beam contains \(1.7 \times 10^{10}\) doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of \(5.0 \times 10^5\) m/s. What is (a) the magnitude of the current density and (b) direction of the current density \(\vec{J}\). (c) What additional quantity do you need to calculate the total current \(i\) in this ion beam?
(a) Number: [ ] Units: [ ]
(b) [to the north]
(c) [cross-sectional area of ion beam]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9ea0e50e-bc61-40aa-a108-fd1d63d4d69b%2F5df1ab60-c157-49d5-916b-2a9447afb59f%2Fpgiqsvp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A beam contains \(1.7 \times 10^{10}\) doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of \(5.0 \times 10^5\) m/s. What is (a) the magnitude of the current density and (b) direction of the current density \(\vec{J}\). (c) What additional quantity do you need to calculate the total current \(i\) in this ion beam?
(a) Number: [ ] Units: [ ]
(b) [to the north]
(c) [cross-sectional area of ion beam]
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