- ✓Newtons $3^{rd}$ Law of Motion.
- BNewtons $1^{st}$ Law of Motion.
- CNewtons $2^{nd}$ Law of Motion.
- DAll of the above.
Coulomb's law agrees with Newton's $1^{st}, 2^{nd}$ and $3^{rd}$ law of motion. Coulomb's law states that $\text{F}=\text{K}\frac{\text{q}_1\text{q}_2}{\text{r}^2}$ here the two charge particle is similar to the objects of the Newton's $1^{st}$ law. Newton's $3^{rd}$ law is same as the two similar charge particles repel to each other. Which coincides with Newton's $3^{rd}$ law every action there is an equal and opposite reaction.
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$(A)$ In the region $0 < r < R$, the magnetic field is non-zero.
$(B)$ In the region $R < r < 2 R$, the magnetic field is along the common axis.
$(C)$ In the region $R < r < 2 R$, the magnetic field is tangential to the circle of radius $r$, centered on the axis.
$(D)$ In the region $r > 2 R$, the magnetic field is non-zero.
