thao2219 thao2219
  • 10-03-2024
  • Physics
contestada

What is the expression for the electric field strength (E) on the axis of the rod at a distance (r) from the center?

a) E = k * q / l
b) E = k * q / r
c) E = k * l / (q * r)
d) E = q * r / (k * l)

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