A beam contains 36 x 105 doubly charged positive ions per
A beam contains 3.6 x 105 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 5.3 x 105 m/s. Find what is the magnitude of the current density?
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a beam contains 36 x 105 doubly charged positive ions per cubic centimeter all of which are moving north with a speed
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