Question

चैप्टर सिक्स एनसीसी​

Answer 1

Explanation:

Derive coulombs law in vector form_______

Since force is vector, we need to write Coulombs law in vector notation. r21 = r2-r1 . The magnitude of vector r21 is denoted by | r21 |. The direction of a vector is specified by unit vector along that vector.