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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 coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
- Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
- The energy of the em waves is of the order of 15 keV. To which part of the spectrum
- In a ionised gas,the mobile charge carriers are
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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