An electron enters electric field of `10^4V//m` perpendicular to the field with a velocity of `10^7m//s`. Find the vertical displacement of electron after 2 milliseconds. Mass of electron `=9*1xx10^(-31)kg`, charge on electron `=1*6xx10^(-19)C`.

An electron is moving with a velocity of 10^(7) m s^(-1) . Find its energy in electron volts. (Mass of electron =9.1xx10^(-31) kg and charge of electron =1.6xx10^(-19) C )

An X- ray tube operates at 27 kV . Find the maximum speed of an electron striking the anticathode. Given mass of electron =9xx10^(31)kg and charge on electron =1.6xx10^(-19)C .

An electron is accelerated by a potential difference of 12000 volts. It then enters a uniform magnetic field of 10^(-3)T applied perpendicular to the path of electron. Find the radius of path. Given mass of electron =9xx10^(-31)kg and charge on electron =1.6xx10^(-19)C

The voltage across the electrodes of a cathode ray tube is 1000 V . Calculate the speed of the electron. Given mass of an electron =.1xx10^(-31)kg and charge on electron =1.6xx10^(16)C .

An electron enters a magentic field of 3T at an angle of 30^(@) with a velocity of 10^(6)m.s^(-1) . What force will act on the electron? e=1.6xx10^(-19)C

An electron is projected with an initial velocity of 10^(7)ms^(-1) into an electric field between two parallel plates 1 cm apart. The electron enters the field at a point midway between the plates. If the electron just misses the positivity charged plate as it emerges from the field, find the magnnitude of the electric density between the plates. (Length of each plate is 2 cm, mass of electron= 9xx10^(-31) kg and charge of electron =1.6xx10^(-19) C)

A chamber is maintained a uniform magnetic field of 5xx10^-3T . An electron with a speed of 5xx10^7ms^-1 enters the chamber in a direction normal to the field. Calculate (i) radius of the path (ii) frequency of revolution of the electron. Charge of electron =1*6xx10^(-19)C , Mass of electron =9*1xx10^(-31)kg

Consider the charge configuration as shown in the figure . Calculate the electric field at point A. If an electron is placed at points A, what is the acceleration exerienced by this electron? (mass of the electron =9.1xx10^(-31) kg and charge of electron =-1.6xx10^(-19)C).

An electron enters normally in a uniform electric field of intensity 3200V/m with a speed of 4 xx 10^(7) m//s . The electron covers a distance of 0.10m . Deflection of the electron is