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Assertion (A) : The number of electric lines of force emanating from 1μc charge in vacuum is 1.13× 105. Reason (R) : This follows from Gauss’s theorem in electrostatics.(a) Both A and R are true and R is the correct explanation of A (b) Both A and R are true but R is NOT the correct explanation of A (c) A is true but R is false (d) A is false and R is also false |
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Answer» Option : (A) From Gauss’s theorem in electrostatics : ϕ = \(\frac{q}{∈_0}\) = \(\frac{1\times 10^{-6}}{8.85\times 10^{-12}}\) = 1.13 × 105 |
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