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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 electron of a hydrogen atom revolves round the proton in a circular
- A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω
- Two nuclei have their mass numbers into the ratio of 1:3
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- A body of mass m is orbiting the earth at a radius r from the center of earth
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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