đź’ˇPhysics

Applicable for A-Level, IB, DSE, AP-Level Exams

Particle Physics    Quantum Physics    Waves    Optics    Mechanics    Materials    Electricity    Circular Motion    Simple Harmonic Motion    Thermal Physics    Gravitational Fields    Electric Fields    Capacitors    Magnetic Fields    Electromagnetic Induction    Radioactivity    Nuclear Energy    Discovery of the Electron    Wave-Particle Duality    Special Relativity   

Electric Fields

Electric Field Strength

Electric field strength is defined as the force per unit charge on a positive test charge placed at that point.


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Electric Potential

The electric potential is the work done per unit positive charge on a positive test charge when it is moved from infinity to that position. When moving in an equipotential, no work is done. Electric potential energy can be found by the area under the graph of E against r.


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Gravitational and Electric Fields Summary

Gravitational and electric fields are similar and can be compared together. Diagram credited from ScienceShorts YouTube channel.


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