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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
- At a given temperature the root mean square velocities of oxygen and hydrogen
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- The potential difference applied to an X-ray tube is 5 kV and the current through it
- A light whose frequency is equal to 6.0 x 10¹⁴ Hz is incident on a metal
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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