A velocity filter uses the properties of electric and magnetic field to select particles that ar...

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A velocity filter uses the properties of electric and magnetic field to select particles that are moving with a specific velocity. Charged particles with varying speeds are directed into the filter as shown. The filter consists of an electric field \( E \) and a magnetic field \( B \), each of constant magnitude, directed perpendicular to each other as shown. The charge particles will experience a force due to electric field given by \( F= \) \( q E \). If positively charged particles are used, this force is towards right.
The moving particle will also experience a force due to magnetic field given by \( F=q v B \). When forces due to the two fields are of equal magnitude, the net force on the particle will be zero, the particle will pass through centre with its path unaltered. The electric and magnetic fields can be adjusted to choose the specifi
If the filter is set to detect particles of speed \( v_{0} \) which one of If the filter is set to detect particles of speed \( v_{0} \), which one of of the particle acceleration (a) depends on velocity \( v \) ?
(1)
(3)
(4)
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