The coil is at 0°. The coil is moving parallel to the direction of the magnetic field, so no potential difference is induced., Split ring commutator (please pretend)!, Coil, The coil is at 90°. The coil is moving at 90° to the direction of the magnetic field, so the induced potential difference is at its maximum., The coil is at 180°. The coil is moving parallel to the direction of the magnetic field, so no potential difference is induced., The coil is at 270°. The coil is moving at 90° to the direction of the magnetic field, so the induced potential difference is at its maximum. Here, the induced potential difference travels in the same direction as at B., The coil is at 360°, ie it is back at its starting point, having done a full rotation. The coil is moving parallel to the direction of the magnetic field, so no potential difference is induced..

Current for dynamo

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