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CBSE Class 12-science Answered

a charge q is moving in a circle of radius r and speed v.What is the magnetic field at the center of the loop?
Asked by Malavika Umesh | 08 Aug, 2014, 01:51: PM
answered-by-expert Expert Answer
Consider a circular loop with a charge q moving in a circle of radius r and speed v having centre O. Let I be the current flowning through the circular loop. let dl be the lengh of element.

From the Biot- Savart's law, Magnetic field at the center of loop due to current I is given by,

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Answered by Priyanka Kumbhar | 08 Aug, 2014, 07:05: PM

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