III. Examine the circuit shown in the diagram. R1 = 3002 and R2 = R3 = 1502.%3D A) What is the equivalent resistance of the circuit? How much current goes

through the battery? C) The rightmost wire is 50cm long and goes through a region of uniform external magnetic field of magnitude B = 2.5T coming out of the page. What is the magnetic force on the wire? Since the magnetic field from the rest of the circuit is so much smaller than the external field, you may neglect it.