Question

Electric Potential Learning Objectives During this lab, you should be able to e understand the difference between electric potential and electric potential energy . relate electric potential energy to gravitational potential energy determine the shapes of equipotential lines for various charge configura- tions use the equipotential lines contour plots to determine the shape of the elec- tric field lines. 2.1 Pre-lab Energy has various definitions, one of which is "the capacity to do work: For a conservative force, such as gravitational force, the work done on an object by the gravitational force is related to the potential energy of the system: For gravitational force (2.2) where m is the mass of the object, g represents the acceleration due to gravity (a constant), and Δ/n is the change in height of the object. The work done on an object by the force of gravity between the Earth and the object depends on the mass of the object and the object's change in height.

Answer 1

Question 2.1 -

Value of charge is not given. The question statement is either incomplete or wrong.

anyway use the formula

$\Delta$U = q$\Delta$V

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Question 2.2

Here, we need to use same formula

$\Delta$U = q$\Delta$V

$\Delta$U = 1.6e-19 * 4

$\Delta$U = 6.4e-19 J