A proton is acted on by an uniform electric field of magnitude 443 N/C pointing in the positive x direction. The particle is initially at rest. (a) In what direction will the charge move?         (b) Determine the work done by the electric field when the particle has moved through a distance of 3.45 cm from its initial position.   (c) Determine the change in electric potential energy of the charged particle.   (d) Determine the speed of the charged particle.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.