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Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Magnetic Effects of Current

Olympiad workbook · NSEP · Magnetic Effects of Current

Knowing that the parallel currents attract, the inward pressure on...

Knowing that the parallel currents attract, the inward pressure on the curved surface of a thin walled, long hollow metallic cylinder of radius R=50 cm\mathrm{R}=50 \mathrm{~cm} carrying a current of i=2amp\mathrm{i}=2 \mathrm{amp} parallel to its axis distributed uniformly over the entire circumference, is

Options

  1. A2.05×10−1Nm−22.05 \times 10^{-1} \mathrm{Nm}^{-2}
  2. B2.55×10−3Nm−22.55 \times 10^{-3} \mathrm{Nm}^{-2}
  3. C2.05×10−5Nm−22.05 \times 10^{-5} \mathrm{Nm}^{-2}
  4. D2.55×10−7Nm−22.55 \times 10^{-7} \mathrm{Nm}^{-2}

Correct answer

D. 2.55×10−7Nm−22.55 \times 10^{-7} \mathrm{Nm}^{-2}

Step-by-step solution

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