In Fig. Two long wires `W_1 and W_2`, each carrying current I, are placed parallel to each
Channel: Doubtnut
Date: 26/07/2020

In Fig. Two long wires `W_1 and W_2`, each carrying current I, are placed parallel to each other and parallel to z-axis. The direction of current in `W_1`is outward and in `W_2` it is inward. Find `vecB` at p and Q.