What is intensity it's formula sI …
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Posted by Sukriti Singh 5 years, 4 months ago
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Meghna Thapar 5 years, 4 months ago
Intensity is defined to be the power per unit area carried by a wave. Power is the rate at which energy is transferred by the wave. In equation form, intensity I is I=PA I = P A , where P is the power through an area A. The SI unit for I is W/m2. Electric field intensity is the strength of an electric field at any point. It is equal to the electric force per unit charge experienced by a test charge placed at that point, or E=qF. From Gauss law, considering a spherical surface with charge at its center as Gaussian surface, E(A)=ϵ0q.
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