A wire segment carrying 10 A is formed into a half circle with radius R =…

A wire segment carrying 10 A is formed into a half circle with radius R = 10 cm and placed next to a very long wire carrying 20 A as shown in the figure below. What is the magnetic force on the half circle due to the long wire? R 10 A 20 A a. 2.5×10-4 N O b. 1.25×10-4 N. 06.5*10-4 N O d. 4×10-5 N O2.8×10-5 N QUESTION 4 1 A square loop of side length 10 cm carries a current 10 A. what is the magnetic field at the center of the square? a. 2.8x 10-47 ob. 11.3×10-47 oc.5.6 x 10-41 O d.4×10-41 O e. 8×10-47