Home
Class 12
PHYSICS
A straight wire is placed in a magnetic ...

A straight wire is placed in a magnetic field that varies with distance x from origin as `vecB = B_0 (2-x/a)` . `hatk` Ends of wire are at (a, 0) and (2a, 0) and it carries a current I. If force on wire is `vecF=IB_0((ka)/2)hatj` , then value of k is

A

1

B

5

C

`-1`

D

`1/2`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

The magnetic field at a distance r from a long wire carryimg current I is 0.4 T. The magnetic field at a distance 2r is

A long straight wire is carrying a current of 12 A . The magnetic field at a distance of 8 cm is (mu_(0) =4pi xx 10^(-7) N A ^(2))

Calculate the value of magnetic field at a distance of 2 cm from a very long straight wire carrying a current 5 A

A wire carrying a current i is placed in a uniform magnetic field in the form of the curve y=asin((pix)/L)0 lexle2L . The force acting on the wire is

A long straight wire carries a current of 35A . What is the magnetic of the field vecB at a point 20cm from the wire?

The magnetic field in a region is given by B = B_(0) (1 - (X)/(L)) K . A straight conductor AB of length 2L, placed with its ends at points A (a,0,0) and B(a,2L,0), carries a current I from A to B. Find the magnetic force on the conductor