Question

Similarities of Biot–Savart’s law and Coulomb’s law for electrostatics are ______.

1. both are long range and inversely proportional to the square of distance from the source to the point of interest.
2. both are linear in source.
    
3. both are produced by scalar sources.
    
4. both follow principle of superposition.

Options

• I, II and III 

• II, III and IV

• I, II and IV

• I, III and IV

Answer 1

I, II and IV