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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
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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