![A circular coil of n turns and radius r carries a current I. The magnetic field at the centre is - YouTube A circular coil of n turns and radius r carries a current I. The magnetic field at the centre is - YouTube](https://i.ytimg.com/vi/N8scTBqIbCA/maxresdefault.jpg)
A circular coil of n turns and radius r carries a current I. The magnetic field at the centre is - YouTube
![Some Formulas for the Strength of the Magnetic Field of a Cylindrical Coil - Chao - 1931 - Journal of Mathematics and Physics - Wiley Online Library Some Formulas for the Strength of the Magnetic Field of a Cylindrical Coil - Chao - 1931 - Journal of Mathematics and Physics - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/08e06e04-b841-4ca6-b6db-17e7af739177/sapm193110113.fp.png)
Some Formulas for the Strength of the Magnetic Field of a Cylindrical Coil - Chao - 1931 - Journal of Mathematics and Physics - Wiley Online Library
![Physics Class 12 NCERT Solutions: Chapter 4 Moving Charges and Magnetism Part 4- (For CBSE, ICSE, IAS, NET, NRA 2024) FlexiPrep Physics Class 12 NCERT Solutions: Chapter 4 Moving Charges and Magnetism Part 4- (For CBSE, ICSE, IAS, NET, NRA 2024) FlexiPrep](https://www.flexiprep.com/NCERT-Exercise-Solutions/Physics/Class-12/posts/Ch-4-Moving-Charges-And-Magnetism-Part-4/Magnetic-field-of-a-current-loop-equation.png)
Physics Class 12 NCERT Solutions: Chapter 4 Moving Charges and Magnetism Part 4- (For CBSE, ICSE, IAS, NET, NRA 2024) FlexiPrep
![The magnetic field at the centre of coil of n turns, bent in the form of a square of side 2 l , carrying current i , is: The magnetic field at the centre of coil of n turns, bent in the form of a square of side 2 l , carrying current i , is:](https://haygot.s3.amazonaws.com/questions/1990168_1111523_ans_48335e5444084e258d5da81776f91271.jpg)