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A particle of mass m has an electric charge q. This particle is accelerated through a potential difference V and then entered normally in a uniform magnetic field B. It performs a circular motion of radius R. The ratio of its charge to the mass (q/m) is = ______ [(q/m) is also called specific charge.] (A) 2V/B²R² (B) V/2BR (C) VB/2R (D) mV/BR

Physics Secondary School in Physics 10 months ago

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IO of its charge to the mass (q/m) is Given:Mass of the particle = mCharge of the particle = qVelocity of the particle = vPotential DIFFERENCE = VMagnetic field = BRadius of the motion = R To find:Ratio of charge to the mass = ?Solution:From question, the particle is electron which is accelerated through potential difference.By energy conversion:SINCE, the particle ENTERS MAGNETIC field, magnetic field is:The velocity of the electron is given by the formula:On squaring on both sides,
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Posted on 25 Sep 2024, this text provides information on Physics related to Secondary School in Physics. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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