If k is wobble correction factor, is coefficient of friction between the duct surface and the curve of tendon of radius R, the tension ratio at a distance x from either end, is

• A. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-1.png">
• B. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-2.png">
• C. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-3.png">
• D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-4.png">
• E. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-5.png">