An electron of kinetic energy 45 keV moves in a counter-clockwise circular orbit perpendicular to a magnetic field of 0.325 T. Calculate the acceleration of the electron.

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anonymous · Answer

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anonymous · Answer

electron is moving in a magnetic field. so, it experience a magnetic force
$$F_B=qvB\
m_ea = qvB
$$
me = mass of electron
a = acceleratio n-> to find
q = charge of electron
v = velocity of electron -> get it from the Kinetic energy
B = magnetic field intensity -> given