What is the magnitude of the magnetic field at point P if a = R and b = 2R?
A) $\frac { 3 \mu _ { 0 } I } { 4 R }$
B) $\frac { \mu _ { 0 } I } { 4 R }$
C) $\frac { 2 \mu _ { 0 } I } { 3 R }$
D) $\frac { \mu _ { 0 } I } { 3 R }$
E) $\frac { 3 \mu _ { 0 } \pi I } { 4 R }$

Question

What is the magnitude of the magnetic field at point P if a = R and b = 2R? 
A) $\frac { 3 \mu _ { 0 } I } { 4 R }$ 
B) $\frac { \mu _ { 0 } I } { 4 R }$ 
C) $\frac { 2 \mu _ { 0 } I } { 3 R }$ 
D) $\frac { \mu _ { 0 } I } { 3 R }$ 
E) $\frac { 3 \mu _ { 0 } \pi I } { 4 R }$

Quizplus · Accepted Answer

The Answer of What is the magnitude of the magnetic field at point P if a = R and b = 2R? 
A) $\frac { 3 \mu _ { 0 } I } { 4 R }$ 
B) $\frac { \mu _ { 0 } I } { 4 R }$ 
C) $\frac { 2 \mu _ { 0 } I } { 3 R }$ 
D) $\frac { \mu _ { 0 } I } { 3 R }$ 
E) $\frac { 3 \mu _ { 0 } \pi I } { 4 R }$

What Is the Magnitude of the Magnetic Field at Point 3μ0I4R\frac { 3 \mu _ { 0 } I } { 4 R }4R3μ0​I​

What Is the Magnitude of the Magnetic Field at Point $\frac { 3 \mu _ { 0 } I } { 4 R }$