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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
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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