Two infinite wires are charged uniformly with linear charge density as shown in the figure. What is the magnitude of the electric field (in N/C) at point B? Given that (d)=0.5 m. +12 nC/m +6 nC/m •B d d Select one: O a. 647.4 O b. 503,54 O c. 72 O d. 215.8
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