All straight wires are very long. Both AB and CD are arcs of the same circle, both subtending right angles at the center O. The magnetic field at O is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Field due to 
at center O is zero.
Field due to AB and CD cancel each other.
This only field is due to AA' and 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The current density inside a long, solid, cylindrical wire of radius is in the direction of the c…
A long wire bent, as shown in the figure, carries current . If the radius of the semicircular port…
The radius of a coil of wire with N turns is 0.22 m, and 3.5 A current flows clockwise in the coil,…
Current 'I' is flowing in a conductor shaped as shown in the figure. The radius of the curved part …
Magnetic field at the center O of circular arc is
Two long straight wires, each carrying a current I in opposite direction, are separated by a distan…