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  4. The kinetic energy of an accelerated through a potential of 100 V is :

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Q. The kinetic energy of an accelerated through a potential of 100 V is :

BVP MedicalBVP Medical 2006

Solution:

Key Idea: The kinetic energy of electron accelerated through a potential is the product of electron charge and potential difference. Kinetic energy = eV $ =1.6\times {{10}^{-19}}\times 100 $ $ =1.6\times {{10}^{-17}}J $