Answer:
Explanation:
The direction of a magnetic field indicates where the magnetic inluence on the electric charges are directed to.
From the given question, we are to determine the direction of the magnetic field bnet at a point A.
Also, having the notion that the currents in the two wires have equal magnitudes, Then:
[tex]\bar{B_{net}} = \bar{B_1} + \bar{B_2}[/tex]
[tex]\bar{B_{net}} = \frac{\mu_oI}{2 \pi r } \bar {k}+ \frac{\mu_oI}{2 \pi r } \bar {k}[/tex]
[tex]\bar{B_{net}} = \frac{2 \mu_oI}{2 \pi r } \bar {k} \ out[/tex]
Thus; [tex]\bar{B_{net}}[/tex] points out of the screen at A.
The b net should be put of the screen at A.
Here the direction denotes the magnetic impact that arises on the electric charges where they are directed.
Along with the notions, the current in the two wires should contain equal magnitudes.
So,
B net = B_1 + B_2
= µ0Ik/2πr + µ0Ik/2πr
= 2µ0Ik/2πr out
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