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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
- Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively
- Which of the following is suitable for the fusion process?
- An air core coil and an electric bulb are connected in series with an AC source.
- A hollow sphere of radius 0.1m has a charge of 5×10⁻⁸C. The potential
- λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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