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In a Van de Graaff type generator, a spherical metal shell is to be 15 × 106 V electrode. The dielectric strength of the gas surrounding the electrode is 5 × 107 Vm−1. The minimum radius of the spherical shell required is
  • a)
    1 m
  • b)
    2 m
  • c)
    1.5 m
  • d)
    3 m
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In a Van de Graaff type generator, a spherical metal shell is to be 15...
Here, V = 15 × 106 V, dielectric strength
= 5 x 107 V m-1
Maximum electric field, E = 10% of dielectric strength

As E = V/r

= 3 m
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In a Van de Graaff type generator, a spherical metal shell is to be 15 × 106 V electrode. The dielectric strength of the gas surrounding the electrode is 5 × 107 Vm−1. The minimum radius of the spherical shell required isa)1 mb)2 mc)1.5 md)3 mCorrect answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In a Van de Graaff type generator, a spherical metal shell is to be 15 × 106 V electrode. The dielectric strength of the gas surrounding the electrode is 5 × 107 Vm−1. The minimum radius of the spherical shell required isa)1 mb)2 mc)1.5 md)3 mCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a Van de Graaff type generator, a spherical metal shell is to be 15 × 106 V electrode. The dielectric strength of the gas surrounding the electrode is 5 × 107 Vm−1. The minimum radius of the spherical shell required isa)1 mb)2 mc)1.5 md)3 mCorrect answer is option 'D'. Can you explain this answer?.
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