Magnetic Circuits
Trending Questions
Q. Two infinite strips of width w m in X-direction as shown in figure, are carrying forward and return currents of +I and −I in the Z-direction. The strips are separated by a distance of x m. The inductance per unit length of the configuration is measured to be L H/m. If the distance of separation between the strips is now reduced to 1/2 m, the inductance per unit length of the configuration is
- 2L H/m
- L/4 H/m
- L/2 H/m
- 4L H/m
Q. A uniform and constant magnetic field B=^zB exists in the ^z direction in vacuum. A particle of mass m with a small charge q is introduced into this region with an initial velocity v=^xvx+^zvz. Given that B, m, q, vx andvz are all non-zero. Which one of the following describes the eventual trajectory of the particle?
- Helical motion in the ^z direction.
- Circular motion in the xy plane
- Linear motion in the ^z direction
- Linear motion in the ^x direction.