3) The deflecting torque in a spring-controlled instruments is 1.2 x 10–4 kgm for a deflection of 90°. The control torque is exerted through a phosphor-bronze spring whose Young's modulus is 1.15×1010 kg/m2 of the allowable maximum stress is 5.5 × 106 kg/m2 and width of spring strip is 0.75 mm, And the thickness and length of suitable dimensions for the spring-strip. [Ans. 0.685 m, 0.4175 mm]
3) The deflecting torque in a spring-controlled instruments is 1.2 x 10–4 kgm for a deflection of 90°. The control torque is exerted through a phosphor-bronze spring whose Young's modulus is 1.15×1010 kg/m2 of the allowable maximum stress is 5.5 × 106 kg/m2 and width of spring strip is 0.75 mm, And the thickness and length of suitable dimensions for the spring-strip. [Ans. 0.685 m, 0.4175 mm]
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![3) The deflecting torque in a spring-controlled instruments is 1.2 × 10–4 kgm for a deflection of 90°. The
control torque is exerted through a phosphor-bronze spring whose Young's modulus is 1.15×1010 kg/m2 of
the allowable maximum stress is 5.5 × 106 kg/m2 and width of spring strip is 0.75 mm, And the thickness and
length of suitable dimensions for the spring-strip.
[Ans. 0.685 m, 0.4175 mm]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fabb7c75e-40cc-40b3-89f4-34bec7edbaa1%2Fbbfbab62-0088-4bc7-95fd-fa710924ea64%2Fb692uy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3) The deflecting torque in a spring-controlled instruments is 1.2 × 10–4 kgm for a deflection of 90°. The
control torque is exerted through a phosphor-bronze spring whose Young's modulus is 1.15×1010 kg/m2 of
the allowable maximum stress is 5.5 × 106 kg/m2 and width of spring strip is 0.75 mm, And the thickness and
length of suitable dimensions for the spring-strip.
[Ans. 0.685 m, 0.4175 mm]
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