Questions
A current carrying wire is bent in the form of a circular ring and its magnetic dipole moment is found to be M. Now the same wire is bent in the form of a circular ring having two turns. Then new magnetic moment will be
detailed solution
Correct option is A
M=πr2i and r=l2π⇒M=πl2i4π2=l2i4πIn the second case, 2πr1×2=l⇒r1=l4π∴M1=2×π(r1)2.i=2×π(l4π)2.i=l2i8π∴ M1=M2Talk to our academic expert!
Similar Questions
A circular loop has a radius of 5 cm and it is carrying a current of 0.1 A. Its magnetic moment 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
