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Two concentric spheres kept in air have radii R and r. They have similar charge and equal surface charge density σ. The electrical potential at their common centre is (where,ε₀=permitivity of free space)
Options
(a) σ(R+r)/ε₀
(b) σ(R-r)/ε₀
(c) σ(R+r)/2ε₀
(d) σ(R+r)/4ε₀
Correct Answer:
σ(R+r)/ε₀
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 body oscillates with amplitude of 10 cm in a horizontal platform.
- A thermoelectric refrigerator works on
- A uniform rod of length l is placed with one end in contact with the horizontal
- An electron is moving in a circular path under the influence of a transverse magnetic
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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