Q.no.7: A beam contains 2.0 × 108 doubly charged posi- tive ions per cubic centimeter, all of which are moving north with a speed of 1.0 × 105 m/s. What are the (a) magnitude and (b) direc- tion of the current density J
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Q.no.7:
A beam contains 2.0 × 108
doubly charged posi-
tive ions per cubic centimeter, all of which are moving north with
a speed of 1.0 × 105 m/s. What are the (a) magnitude and (b) direc-
tion of the current density J
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