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A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric flux will
Options
(a) increase four times
(b) be reduced to half
(c) remain the same
(d) be doubled
Correct Answer:
remain the same
Explanation:
By gauss’s therorem, ? = Qin / ?￢ﾂﾀ, Thus the net flux depends onlu on the charge enclosed by the surface. Hence, there will be no oeffect on the net flux if the radius of the surface is doubled.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- A wire is suspended vertically from one of its ends is stretched by attaching a weight
- A particle of mass m oscillates along x-axis according to equation x = a sin ?t
- The angle of incidence at which reflected light is totally polarised for refraction
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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