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**1. The electric field 5.70 cm from a very long charged wire is ( 1900 N/C,toward the wire). What is the charge (in nC) on a 1.0-cm-long segment of the wire?**

**2. E_line = (1/4*pi*epsilon) * (2*lambda/r), lambda = Q/L**

**3. Using the above equation, I solved for Q using r = 5.7 cm and L = 1 cm, and got an answer several orders of magnitude off. I assume I am using incorrect r and L values. What, exactly, am I doing wrong?**