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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A nucleus ᴢXᴬ emits an α- particle with velocity v. The recoil speed of the daughter
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
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- A bullet of mass m moving with velocity v strikes a block of mass M at rests
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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