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Worksheet: Electric Field of a Line of Charge

Q1:

A long, straight wire has a uniform linear charge density of C/m. Calculate the magnitude of the electric field strength at a 2.0-m-perpendicular distance from the axis of the wire.

  • A N/C
  • B N/C
  • C N/C
  • D N/C
  • E N/C

Q2:

A very long, thin wire has a uniform linear charge density of 50 µC/m. What is the magnitude of the electric field 2.0 cm from the axis of the wire?

  • A C
  • B C
  • C C
  • D C
  • E C