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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
- The equation of state for 5 g of oxygen at a pressure P and temperature T,
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- A concave mirror ia placed over a beaker containing water of
- A lead bullet of 10 gm travelling at 300 m/s strikes against a block
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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