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1. |
A current loop, having two circular arcs joined by two radial lines is shown in the figure. It carries a current of 10 A. The magnetic field at point O will be close to: |
A. | 1.0 × 10-7 T |
B. | 1.5 × 10-7 T |
C. | 1.5 × 10-5 T |
D. | 1.0 × 10-5 T |
Answer» E. | |