Physics · Magnetic Effects of Current
धारा (I) ले जाने वाले एक सीधे तार को एक वृत्ताकार लूप में बदल दिया जाता है। यदि इससे जुड़े चुंबकीय आघूर्ण का परिमाण 'M' है, तो तार की लंबाई होगी:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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[4MπI]12
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