CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Inside a long straight uniform wire of circular cross - section there is a long cylindrical cavity (bore) of radius r whose axis is parallel to the axis of the wire. Axis of cavity is displaced from the axis of wire by a distance ‘L’ as shown in figure. A direct current J flows through the wire. Then
I) Magnetic field inside the cavity is non-uniform
II) Magnetic field inside the cavity is uniform
III) Field inside the cavity is directly proportional to L
IV) Magnetic field inside the cavity is independent of L


Your Answer
A
I and IV
Your Answer
B
I and III
Your Answer
C
II and IV
Correct Answer
D
II and III

Solution

The correct option is A II and III
¯B=μ02(¯jׯL)

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image