Home
Class 12
PHYSICS
Eight wires cut the page perpendicularly...

Eight wires cut the page perpendicularly at the points shown. Each wire carries current i. Odd currents are out of the page and even currents into the page. The line integral `int vecB. vec dl`-along the loop is

A

`mu_(0)i_(0)`

B

`2mu_(0)i_(0)`

C

0

D

`3mu_(0)i_(0)`

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Similar Questions

Explore conceptually related problems

Eight wires cut the page perpendicular to the points shown. Each wire carries current i_(0) . Odd currents are out of the page and even current into the page. Find the line integral ointvec(B).vec(dl) along the loop.

Find vecB at the origin due to the long wire carrying current I.

Eight wires cut the page perpendicularly at the points show in figure. A wire labeled with the integer k (k=1.2,…….8) bears the current ki_(0) . For those with odd k, the current flows up out of the page, for those with even k it flows down into the page. The value of ointvecB.dvecr along the close path (as shown in the figure) in the direction indicated by the arrow is

Imagine a current carrying wire with the direction of current downward or into the page. The direction of magnetic field lines is

Shown in Fig. is an end-on view of three long, straight, parallel conductors spaced equal distances a apart. The outer conductors carry current I out of the page, the middle conductor carries current I into the page. Where in the plane of the page is the magnetic field zero?

A very long cylindrical wire is carrying a current I_(0) distriuted uniformly over its cross-section area. O is the centre of the cross-section of the wire and the direction of current in into the plane of the figure. The value int_(A)^(B) vec(B).vec(dl) along the path AB (from A to B ) is