GATE EE 2014 Set 1 — Question 38
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Engineering Mathematics → Vector Calculus → Line, Surface & Volume Integrals
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Question
The line integral of function , in the counterclockwise direction, along the circle at is
Correct answer
(B) -π
Solution
The line integral is given by .
For the circle at , we can use parametric coordinates: , , , and .
The integral becomes:
For the circle at , we can use parametric coordinates: , , , and .
The integral becomes:
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