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| 1. |
Two concentric coils of 20 turns each are situated in the same plane their radial are 0.2 m and 0.4 m and they carry 0.2 and 0.3 ampere current respectively in the same direction the magnetic field at the centre is |
| Answer» Two concentric coils of 20 turns each are situated in the same plane their radial are 0.2 m and 0.4 m and they carry 0.2 and 0.3 ampere current respectively in the same direction the magnetic field at the centre is | |