For the circuit in the given figure, use KVL to find the branch voltages Vito V4. Assume A = 9 V, B = 12 V, C = 5 V, and D = 8 V.
A
V1
V2
С
+
V3
B
V4
D
V.
V, OV, and
The branch voltages V1, V2, V3, and V4 are
V, respectively.

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.