Rankers Physics

Magnetic Field Due to Straight Current Carrying Wire: Practice Problem & Solution

Two long parallel wires are at a distance 2d apart. The carry steady equal current flowing out of the plane of the paper as shown. The variation of the magnetic field along the line XX' is given by :

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Similar Practice Questions

Explore conceptually related problems to test your knowledge.

1. What will be the resultant magnetic field at origin due to four infinite length wires. If each wire produces magnetic field 'B' at origin:
2. Two parallel long wires carry currents i1 and i2 with i1 > i2. When the currents are in the same direction, the magnetic field midway between the wires is 10μT. When the direction of i2 is reversed, it becomes 40μT. the ratio i1/i2 is :
3. A long wire carrying a current of 2 A is laid along the x axis (current flows along positive x direction) and another wire carrying current of 4 A is laid along y axis(current flows along positive y direction). The points at which magnetic field is zero are:
4. A point charge q is in motion with velocity \[\overrightarrow{v}] relative to an inertial axis 'A'. The instantaneous location of q with respect to a fixed observation point P is \[\overrightarrow{r}\] as shown. \[\overrightarrow{B}\] the magnetic field at point P is given by :
5. A wire carrying current I has the shape as shown in adjoining figure. Linear parts of the wire are very long and parallel to X-axis while semicircular portion of radius R is lying in Y-Z plane. Magnetic field at point O is :