AP EAMCET2010PhysicsMagnetic Properties of Matter
The intensity of the magnetic induction field at the centre of a single turn circular coil of radius 5 ~cm carrying current of 0.9 ~A .
Options
- A36 10⁻⁷ ~T
- B9 10⁻⁷ ~T
- C36 10⁻⁶ ~T
- D9 10⁻⁶ ~T
Correct answer
A. 36 10⁻⁷ ~T
Step-by-step solution
The intensity of magnetic induction field B= ₀ i 2 r = 4 10⁻⁷ 0.9 2 5 10⁻² B=36 10⁻⁷ ~T