What is the vector representation of the magnetic field at the location of the dot depicted in the given diagram?

• A. 3.54 × 10^-16 ĵ T
• B. 1..77 × 10^-17 k̂ T
• C. 1..41 × 10^-16î T
• D. 7.07 × 10^-18 ĵ T

Answer: (B)