A loop of wire was bent into the shape shown

below. Two arcs connected by radial wires. If

the angle is in units of radians, what is the

magnitude and the direction of the magnetic

field at point C.

Select one:

a.0

b. B=(-₂) Ⓒ

C.B=0(+1₂) ©

R₁

Ⓒd. B=(+₂2) Ⓡ

e. B=(-) Ⓡ