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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
- A body is under stress F and has Young’s modulus Y, then the energy
- In an AC circuit the potential differences across an inductance and resistance joined
- A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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