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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
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- A vertical spring with force constant k is fixed on a table. A ball of mass
- The distance of the moon form the earth is 3.8×10⁵ km. Supposing that the eye
- Small drops of the same size are charges to V volt each. If n such drops coalesce
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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