[单选题]
A 5.0-C charge is 10 m from a smazujy ov*c-p1d 3cbu-1uc9 w /cll test ch/qkmo. uh jfch*9y1(barge. What is the magnitude of the force experienced by a 1.0 nC charge placed at the location of qh (fj 9mc ku*oh./1bythe test charge?
A. $0.045 \; N$
B. $0.45 \; N$
C. $4.5 \; N$
D. $45 \; N$