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Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
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ElectricalElectrical Materials
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For a wire, its twisting couple per unit angular twist is given by

A

C=12πa2ηlC = \frac{1}{2} \pi a^{2} η lC=21​πa2ηl

B

C=12πa2η2l2C = \frac{1}{2} \pi a^{2} η^{2} l^{2}C=21​πa2η2l2

C

C=12πa2η2lC = \frac{1}{2} \pi a^{2} η^{2} lC=21​πa2η2l

D

C=12πa4ηlC = \frac{1}{2} \pi a^{4} η lC=21​πa4ηl

Correct Answer

⚙️ TE • Technical Verified SolutionElectricalElectrical Materials
Option D

C=12πa4ηlC = \frac{1}{2} \pi a^{4} η lC=21​πa4ηl

Quick Summary:

Practice and solve "For a wire, its twisting couple per unit angular twist is given by..." for Electrical - Electrical Materials. The correct answer is Option D: C =12π a4 ηl. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

Option **(d) **

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