What Is the Magnitude of the Magnetic Field at Point $\frac { \mu _ { 0 } I } { 6 R }$

question 149

Multiple Choice

What is the magnitude of the magnetic field at point P if a = R and b = 2R?

• A) \(\frac { \mu _ { 0 } I } { 6 R }\)
• B) \(\frac { 3 \mu _ { 0 } I } { 16 R }\)
• C) \(\frac { \mu _ { 0 } I } { 12 R }\)
• D) \(\frac { \mu _ { 0 } I } { 16 R }\)
• E) \(\frac { \mu _ { 0 } I } { 32 R }\)

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