Olympiad workbook
- Exam
- Olympiad workbook
- Subject
- NSEP
- Chapter
- Magnetic Effects of Current
Olympiad workbook · NSEP · Magnetic Effects of Current
What is the magnetic induction B at the centre O of the...
What is the magnetic induction B at the centre O of the semicircular arc if a current carrying wire has shape of an hair pin as shown in figure? The radius of the curved part of the wire is , the linear parts are assumed to be very long.
Options
- A\mathrm{B}=\frac{\mu_0\mathrm{I}}{4 \pi \mathrm{R}}(2+\pi)
- B
- C\mathrm{B}=\frac{3 \mu_0\mathrm{I}}{4 \mathrm{R}}(2+\pi)
- D\mathrm{B}=\frac{\mu_0}{4 \pi} \frac{2\mathrm{I}}{\mathrm{R}}
Correct answer
A. \mathrm{B}=\frac{\mu_0\mathrm{I}}{4 \pi \mathrm{R}}(2+\pi)
Step-by-step solution
No solution