| DESCRIPTION |
EQUATION |
| Definition of intensity |
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| Displacement |
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| Displacement of a driven oscillator |
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| Displacement of a slightly damped oscillator |
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| Einstein's relativistic mass-energy relation |
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| Electric current |
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| Electric field and magnetic field relationship for an electromagnetic wave |
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| Electric field on the axis of a ring charge |
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| Electric flux defined |
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| EMF (Electromotive Force) defined |
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