Questions
A current f flows in a thin wire shaped as regular polygon of n sides which can be inscribed in a circle of radius R. The magnetic field induction at the centre of polygon due to one side of the polygon is
detailed solution
Correct option is C
B=μ0I4πr 2sin πn But cos πn =rRor r=R cos πn∴ B=μ0I4πR cos πn 2sin πn∴ B= μ0I2πR tan πnTalk to our academic expert!
Similar Questions
ABCD is a square loop made of a uniform conducting wire. The current enters the loop at A and leaves at D. The magnetic field is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
