Questions
The magnetic moment of a bar magnet of length 20 cm is . The magnetic length is 90% of its geometric length. Then the pole strength of the magnet (in Am) is
detailed solution
Correct option is C
Magnetic length=910 × Geometric length ⇒2l=910 ×0.2=0.18 mPole Strength, m =M2l=3.6×10-60.18=2×10-5 AmTalk to our academic expert!
Similar Questions
If a hole is made at the centre of a bar magnet, then its magnetic moment will
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
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