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Field intensity follows ________(a) Bragg’s law(b) Inverse square law(c) Coulomb’s law(d) Gauss’s lawI have been asked this question in a national level competition.Query is from Generation of AM Using Amplifiers topic in section Amplitude Modulation of Analog Communications |
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Answer» RIGHT answer is (b) Inverse square law The explanation is: Strength of an electric field due to a CHARGE Q is inversely proportional to the square of the distance from the SOURCE. In electrostatics, inverse square law is ALSO known as Coulomb’s Law. |
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