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The figure shows a solenoid wound on a core of soft iron. Will the end A be a N pole or S pole when the current flows in the direction shown?
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End A of the solenoid will be a south pole (S- pole) because at this end the current is flowing in the clockwise direction.
Extra information with the image is for reference only
The north-south polarities of an electromagnet can be found easily by using the Clock face rule, because according to this rule "when an observer, finds the direction of current flowing in the anti-clockwise direction at one face of the coil, then the face of the coil will behave like the North Pole. While, if an observer, finds the direction of current flowing in the clockwise direction, then the face of the coil will behave like the South Pole".
Updated on: 10-Oct-2022
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