Match List 1 with List 2 and select the correct answer using the code given below the list.

List I

List II

P.

Gauss law

1.

\(\nabla \cdot \vec B = 0\)

Q

Ampere law

2.

\(\nabla \times \vec B = {u_0}\;\vec J\)

R

Biot-savart law

3.

\(\nabla \cdot \vec D = {\rho _v}\)

S

Magnetic flux law

4.
\(\vec B = \frac{{{u_0}I}}{{4\pi }}\smallint \frac{{d\vec I \times \vec R}}{{{R^2}}}\)

P – 3, Q – 2, R – 1, S - 4

P – 2, Q – 3, R – 4, S - 1

P – 3, Q – 2, R – 4, S - 1

P – 1, Q – 2, R – 3, S - 4

P – 1, Q – 2, R – 4, S - 3

	List I		List II
P.	Gauss law	1.	\(\nabla \cdot \vec B = 0\)
Q	Ampere law	2.	\(\nabla \times \vec B = {u_0}\;\vec J\)
R	Biot-savart law	3.	\(\nabla \cdot \vec D = {\rho _v}\)
S	Magnetic flux law	4.	\(\vec B = \frac{{{u_0}I}}{{4\pi }}\smallint \frac{{d\vec I \times \vec R}}{{{R^2}}}\)