Allied & ICAR Exam Bank • ALLIED_2692 MCQ • 1 Mark

Section 1: Engineering Mathematics

Vector Calculus

Subtopic: Stokes, Gauss and Green's theorems

Question Statement:

Stokes' Theorem states that $\oint_C \vec{F} \cdot d\vec{r}$ along a closed boundary curve $C$ equals:

Options:

  • (A) $\iint_S (\nabla \times \vec{F}) \cdot d\vec{S}$
  • (B) $\iint_S (\nabla \cdot \vec{F}) dS$
  • (C) $\iiint_V (\nabla \times \vec{F}) dV$
  • (D) $\iint_S \vec{F} \cdot d\vec{S}$

Answer Key:

A

Step-by-Step Solution & Explanation

Stokes' theorem converts a line integral around a closed boundary to a surface integral of the curl over any orientable surface capping that boundary.
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