A loop bent in the shape below carries a conventional current in the direction marked. What is the magnitude $|\vec{B}|$ of the magnetic field at the point $a$ on the diagram
-(b) due to the entire loop?

A) $\mu_{0} / / 4 \pi R$
B) $\mu_{0} / / 4 R$
C) $\mu_{0} / / 8 R$
D) $\mu_{0} / / 2 R$
E) $\mu_{0} / / R$
F) Zero

Question

A loop bent in the shape below carries a conventional current in the direction marked. What is the magnitude $|\vec{B}|$ of the magnetic field at the point $a$ on the diagram
-(b) due to the entire loop?

A) $\mu_{0} / / 4 \pi R$ 
B) $\mu_{0} / / 4 R$ 
C) $\mu_{0} / / 8 R$ 
D) $\mu_{0} / / 2 R$ 
E) $\mu_{0} / / R$ 
F) Zero

Quizplus · Accepted Answer

The Answer of A loop bent in the shape below carries a conventional current in the direction marked. What is the magnitude $|\vec{B}|$ of the magnetic field at the point $a$ on the diagram
-(b) due to the entire loop?

A) $\mu_{0} / / 4 \pi R$ 
B) $\mu_{0} / / 4 R$ 
C) $\mu_{0} / / 8 R$ 
D) $\mu_{0} / / 2 R$ 
E) $\mu_{0} / / R$ 
F) Zero

A Loop Bent in the Shape Below Carries a Conventional ∣B⃗∣|\vec{B}|∣B∣

A Loop Bent in the Shape Below Carries a Conventional $|\vec{B}|$