Lecture in Electric Potential

This is the lecture in Electric Potential as one topic in Applied Physics subject in taking up Engineering Courses.

Write from memory the definitions of electric potential, and electric potential difference.
Distinguish between electric potential, electric potential energy, and electric potential difference.
Draw the electric field pattern and equipotential line pattern which exist between charged objects.
Determine the magnitude of the potential at a point a known distance from a point charge or an arrangement of point charges.
State the relationship between electric potential and electric field and determine the potential difference between two points a fixed distance apart in a region where the electric field is uniform.
Determine the kinetic energy in both joules and electron volts of a charged particle which is accelerated through a given potential difference.
Explain what is meant by an electric dipole and determine the magnitude of the electric dipole moment between two point charges.
Given the dimensions, distance between the plates, and the dielectric constant of the material between the plates, determine the magnitude of the capacitance of a parallel plate capacitor.
Given the capacitance, the dielectric constant, and either the potential difference or the charge stored on the plates of a parallel plate capacitor, determine the energy and the energy density stored in the capacitor.
Understand the functions and operations of Cathode Ray Tube: TV and Computer Monitors, Oscilloscope
Know The Electrocardiogram (ECG or EKG)

Electric potential energy:
Electric potential difference: work done to move charge from one point to another
Relationship between potential difference and field:
Equipotential: line or surface along which potential is the same
Electric potential of a point charge:
Electric dipole potential:
Capacitor: nontouching conductors carrying equal and opposite charge
Capacitance:
Capacitance of a parallel-plate capacitor:
A dielectric is an insulator
Dielectric constant gives ratio of total field to external field
Energy density in electric field: