Olympiad workbookNSEPMagnetic Effects of Current
Knowing that the parallel currents attract, the inward pressure on the curved surface of a thin walled, long hollow metallic cylinder of radius R =50 ~cm carrying a current of i =2 amp parallel to its axis distributed uniformly over the entire circumference, is
Options
- A2.05 10⁻¹ Nm ⁻²
- B2.55 10⁻³ Nm ⁻²
- C2.05 10⁻⁵ Nm ⁻²
- D2.55 10⁻⁷ Nm ⁻²
Correct answer
D. 2.55 10⁻⁷ Nm ⁻²
Step-by-step solution
No Solution