हिंदी

You Have Been Provided with a Solenoid Ab.

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प्रश्न

You have been provided with a solenoid AB.

(i) What is the polarity at end A?
(ii) Give one advantage of an electromagnet over a permanent magnet.

एक पंक्ति में उत्तर
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उत्तर

(i) North pole.
(ii) The electromagnet is a very strong magnet as compared to a permanent magnet.

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