1. | \(\frac{\mu_0 i}{4 R}\left[1-\frac{2}{\pi}\right]\) pointed into the page |
2. | \(\frac{\mu_0 i}{4 R}\) pointed into the page |
3. | \(\frac{\mu_0 i}{4 R}\) pointed away from the page |
4. | \(\frac{\mu_0 i}{4 R}\left[1-\frac{2}{\pi}\right]\) pointed away from the page |