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An electron is accelerated through a po...

An electron is accelerated through a potential difference V. Write the expression for its final speed , if it was initially at rest.

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To find the final speed of an electron that is accelerated through a potential difference \( V \), we can use the work-energy theorem. Here’s a step-by-step solution: ### Step 1: Understand the Work-Energy Theorem The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy. Mathematically, this can be expressed as: \[ W = \Delta KE \] where \( W \) is the work done, and \( \Delta KE \) is the change in kinetic energy. ...
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