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If the Current Density in a Wire or Radius R

Question 44

Multiple Choice

If the current density in a wire or radius R is given by J = kr, 0 < r < R, what is the current in the wire?

A) 2πkR3/³
B) 3πkR3/²
C) kR3/³
D) kR²
E) kR2/²

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