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The electric field in a certain region is acting radially outward and is given by E=Ar. A change contained in a sphere of radius ‘a’ centred at the origin of the field, will be given by
Options
(a) A ?￢ﾂﾀ a²
(b) 4π?￢ﾂﾀ Aa³
(c) ?￢ﾂﾀ Aa³
(d) 4π?￢ﾂﾀ Aa²
Correct Answer:
4π?￢ﾂﾀ Aa³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A disc of radius 0.1 m is rotating with a frequency 10 rev/sec in a normal magnetic
- The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A
- The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
- A cyclotron is used to accelerate
- Two simple harmonic motions of angular frequency 100 and 1000 rad s⁻¹ have the same
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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