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A total charge of 5µC is distributed uniformly on the surface of the thin walled semispherical cup. If the electric field strength at the centre of the hemisphere is 9×10⁸NC⁻¹, then the radius of the cup is
{1/4πε₀=9×10⁹N-m²C⁻²}
Options
(a) 5mm
(b) 10mm
(c) 5cm
(d) 10cm
Correct Answer:
5mm
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
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- A steady current is passing through a linear conductor of non-uniform cross-section.
- In a photoelectric effect experiment, the slope of the graph between the stopping
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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