A point charge causes an electric flux of (-300)N*m 2 /C to pass through a spher

Question

A point charge causes an electric flux of (-300)N*m2/C to pass through a spherical Gaussian surface of11.0 cm radius centered on the charge. a) If the radius of the Gaussian surface were doubled, howmuch flux would pass through the surface? b)What is the value of the point charge? A point charge causes an electric flux of (-300)N*m2/C to pass through a spherical Gaussian surface of11.0 cm radius centered on the charge. a) If the radius of the Gaussian surface were doubled, howmuch flux would pass through the surface? b)What is the value of the point charge?

Explanation / Answer

electric flux = -300 N m ^ 2 / C (a) . electric flux is depends on charge enclosed in thesurface.It does not depend on surface area So, flux after the gaussian surface doubled = -300 N m ^ 2 /C (b). we know = q / from this charge q =                             = ( 8.85 * 10 ^ -12 C ^ 2 / N m ^ 2 ) ( -300 N m ^ 2 / C )                             = 29.5 * 10 ^ -9 C

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