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A copper sphere of 10cm  diameter is lowered into a water filled hemispherical copper vessel of 20cm  diameter so that the sphere and the vessel becomes concentric. Electrical conductivity of water of  σ = 10-3(Ωm)-1. The electrical resistance between the sphere and the vessel is :
  • a)
    1450Ω
  • b)
    1682.4Ω
  • c)
    1489.6Ω
  • d)
    1591.6Ω
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A copper sphere of 10cm diameter is lowered into a water filled hemisp...
The arrangement is shown in figure. Consider the hemispherical shell of radius r and thickness dr as shown.
The correct answer is: 1591.6Ω
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Most Upvoted Answer
A copper sphere of 10cm diameter is lowered into a water filled hemisp...
Electrical conductivity of water is typically around 0.5 to 0.6 S/m (Siemens per meter).
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Community Answer
A copper sphere of 10cm diameter is lowered into a water filled hemisp...
The arrangement is shown in figure. Consider the hemispherical shell of radius r and thickness dr as shown.
The correct answer is: 1591.6Ω
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A copper sphere of 10cm diameter is lowered into a water filled hemispherical copper vessel of 20cm diameter so that the sphere and the vessel becomes concentric. Electrical conductivity of water ofσ= 10-3(Ωm)-1. The electrical resistance between the sphere and the vessel is :a)1450Ωb)1682.4Ωc)1489.6Ωd)1591.6ΩCorrect answer is option 'D'. Can you explain this answer?
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A copper sphere of 10cm diameter is lowered into a water filled hemispherical copper vessel of 20cm diameter so that the sphere and the vessel becomes concentric. Electrical conductivity of water ofσ= 10-3(Ωm)-1. The electrical resistance between the sphere and the vessel is :a)1450Ωb)1682.4Ωc)1489.6Ωd)1591.6ΩCorrect answer is option 'D'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about A copper sphere of 10cm diameter is lowered into a water filled hemispherical copper vessel of 20cm diameter so that the sphere and the vessel becomes concentric. Electrical conductivity of water ofσ= 10-3(Ωm)-1. The electrical resistance between the sphere and the vessel is :a)1450Ωb)1682.4Ωc)1489.6Ωd)1591.6ΩCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A copper sphere of 10cm diameter is lowered into a water filled hemispherical copper vessel of 20cm diameter so that the sphere and the vessel becomes concentric. Electrical conductivity of water ofσ= 10-3(Ωm)-1. The electrical resistance between the sphere and the vessel is :a)1450Ωb)1682.4Ωc)1489.6Ωd)1591.6ΩCorrect answer is option 'D'. Can you explain this answer?.
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