A square loop of side 2a and carrying current I is kept in xz plane with its centre at origin. A long wire carrying the same current I is placed parallel to z-axis and passing through point (0, b, 0), (b >> a). The magnitude of torque on the loop about z-axis will be
A square loop of side 2a and carrying current I is kept in xz plane with its centre at origin. A long wire carrying the same current I is placed parallel to z-axis and passing through point (0, b, 0), (b >> a). The magnitude of torque on the loop about z-axis will be
Option 1 -
2μ₀I²a²/πb
Option 2 -
2μ₀I²a²b / π(a²+b²)
Option 3 -
μ₀I²a²b / 2π(a²+b²)
Option 4 -
μ₀I²a²/2πb
- 
1 Answer
- 
Correct Option - 2
 
 
 Detailed Solution:
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 65k Colleges
- 1.2k Exams
- 682k Reviews
- 1800k Answers

