KCET2018PhysicsMagnetic Effects of Current
The correct Biot- Savart law in vector form is
Options
- A( B = ₀ 4 dl ( l r ) r ³ )
- B( B = ₀ 4 I ( d l r ) r ³ )
- C( B = ₀ 4 I ( r d l ) r ³ )
- D( B = ₀ 4 I ( d l r ) r ² )
Correct answer
B. ( B = ₀ 4 I ( d l r ) r ³ )
Step-by-step solution
Biot - Savart law describes magnetic field created by a current carrying conductor. Biot - Savart law in vector form is ( d B = ₀ 4 I I I(d l r ) r³ )