If the normal cross-section A of a member is subjected to tensile force P, the resulting normal stress in an oblique plane inclined at angle to transverse plane will be

• A. <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-1.png">
• B. <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-2.png">
• C. <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-3.png">
• D. <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-4.png">