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15 Describe an activity with daigram and observations to demonstrate magnetic field lines formed bycurrent carrying circular coil. |
| Answer» <html><body><p><strong>Answer:</strong></p><p>Magnetic field produced by a current carrying circular coil. </p><p></p><p>(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>) A rectangular cardboard having holes is taken and a circular coil having large number of turns is inserted in the cardboard. The coil should be inserted in the cardboard in such a manner that the coil is normal to the plane of the cardboard. </p><p></p><p>(2) The ends of the coil are connected in series with a battery, a key and a rheostat. </p><p></p><p>(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>) Then iron filings are sprinkled uniformly on the cardboard. </p><p></p><p></p><p></p><p> </p><p></p><p>(4) Now the key is plugged. </p><p></p><p>(5) On tapping the cardboard gently, the circular magnetic field lines <a href="https://interviewquestions.tuteehub.com/tag/near-1112277" style="font-weight:bold;" target="_blank" title="Click to know more about NEAR">NEAR</a> the current carrying loop are observed. On moving away from the circular loop, the concentric circles representing magnetic field lines become <a href="https://interviewquestions.tuteehub.com/tag/bigger-896965" style="font-weight:bold;" target="_blank" title="Click to know more about BIGGER">BIGGER</a> and bigger. At the centre of the circular loop, the magnetic field lines are straight. </p><p></p><p>Please <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> as the Brainliest Answer and give thanks to my all Answers.</p></body></html> | |