23. match the following p) biot-savart law 1. e.di =0 2. d-dxr cr q) gauss' law r) ampere's law 3. v.e-p/eo s) vx€=0 4. vxb-hod (a) p-2, q-1, r-3, s-4 (b) p-1,

23. Match the following P) Biot-Savart law 1. E.di =0 2. d-dxr cr Q) Gauss' law R) Ampere's law 3. V.E-P/eo S) Vx€=0 4. VxB-Hod (A) P-2, Q-1, R-3, S-4 (B) P-1, Q-3, R-4, S-2 (C) P-2, Q-3, R-4, S-1 (D) P-4, Q-2, R-3, S-