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प्रश्न
The direction of current in the coil at one end of an electromagnet is clockwise. This end of the electromagnet will be:
(a) north pole
(b) east pole
(c) south pole
(d) west pole
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उत्तर
south pole
If the direction of current in the coil at one end of an electromagnet is clockwise, this end of the electromagnet will be south pole.
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