In a velocity selector , the intensity of the electric field is `3 xx 10^(4)` V/m and the strength of the magnetic field is `0.015 Wb//m^2` . The speed of the charged particles which pass undeflected through the velocity selector is

In a region of crossed fields as shown, the strength of electric field is E and that of magnetic field is B. Three positively charged particles with speeds V_(1), V_(2) and V_(3) are projected and their paths are shown. From this it implies that

In a region of crossed fields as shown, the strength of electric field is E and that of magnetic field is B. Three positively charged particles with speeds V_(1), V_(2) and V_(3) are projected and their paths are shown. From this it implies that

Write the expression for the force vecF acting on a particle of charge q moving with a velocity vecv in the prensnece of both electric field vecE and magnetic field vecB . Obtain the condition under which the particle moves undeflected through the fields.

A proton is moving with a velocity of 5 xx 10^(5) m//s along the Y-direction. It is acted upon by an electric field of intensity 10^(5) V/m along the X-direction and a magnetic field of 1 Wb//m^(2) along the Z-direction. Then the Lorentz force on the particle is :

A proton is moving with a velocity of 5 xx 10^(5) m//s along the Y-direction. It is acted upon by an electric field of intensity 10^(5) V/m along the X-direction and a magnetic field of 1 Wb//m^(2) along the Z-direction. Then the Lorentz force on the particle is :

Bainbridge's mass spectrometer separates ion having the same velocity. The ions, after enteering through slits, S_(1) and S_(2) , pass through a velocity selector composed of an electric field pproduced by the charged plates P and P' abd a magnetic field vecB perpendicular to electric field and the ion path.Thew ions that then passs undeviated through the crossed vecE 1 and vecB fields enter into a region where a second magnetic field vecB exists, where they are made to follow circular path. A photographic plate ( or a modern detector) registors their arrival. If r is the radius of the circular orbit , then specific charge (q)/(m) of ion is

In an experiment to measure the charge on an electrons , the electrons travelling at a speed of 1.825 xx 10^(7) m/s are subjected to a deflecting electric field 3.2 xx 10^(4) V/m . The intensity of magnetic field applied so that the beam remains undeflected is