ElectrostaticsHard
Question
In an electron gun, electrons are accelerated through a potential difference of V volt. Taking electronic charge and mass to be respectively e and m, the maximum velocity attained by them is :
Options
A.
B.
C.2 m/eV
D.(V2/2em)
mv2 = eV ∴ v = 
More Electrostatics Questions
The electric field at a point distance r on the dipole axis is given by -...A point particle of mass M is attached to one end of a massless rigid non-conducting rod of length L. Another point part...Two point charges + 9e and +e are kept 16 cm. apart to each other. Where a third charge q is placed between them so that...The figure show a nonconducting ring which has positive and negative charge non uniformly distributed on it such that th...In uniform electric field the condition of minimum potential energy for a electric dipole when...