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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 certain current on passing through a galvanometer produces a deflection
- A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
- A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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