Moving Charges ...

An $$\alpha$$ -particles enters at the middle as shown in Fig. with $$10^5 ms^{-1}$$. In which direction will it bend?

The phenomenon of production of magnetic field on passing an electric current in a straight conducting wire is based on the law of

A straight conductor carries a current. Assume that all free electrons in the conductor move with the same drift velocity v. A and B are two observers on a straight line XY parallel to the conductor. A is stationary. B moves along XY with a velocity v in the direction of the free electrons.

A conducting gas is in the form of a long cylinder. Current flows through the gas along the length of the cylinder. The current is distributed uniformly across the cross-section of the gas. Disregard thermal and electrostatic forces among the gas molecules. Due to the magnetic fields set up inside the gas and the forces which they exert on the moving ions, the gas will tend to

Two parallel straight conductors, in which current is flowing in the same direction, attract each other. The cause of it is

The work done by a normal magnetic field in revolving a charged particle q in a circular path will be

A charged particle with charge $$q$$ is moving in a uniform magnetic field. If this particle makes any angle with the magnetic field then its path will be :

The distance between two thin long straight parallel conducting wires is $$b$$. On passing the same current $$i$$ in them, the force per unit length between them will be

If the currents in two straight current-carrying conductor, distant d apart, are $$i_1$$ and $$i_2$$ respectively in the same direction then they will

The rays, which remain undeflected in a magnetic field, are: