Gate EC-2006 Question Paper With Solutions

Q. 22 For the function of a complex variable W = lnZ (where, W = u + jv and
Z = x + jy, the u = constant lines get mapped in Z -plane as

(A) set of radial straight lines

(B) set of concentric circles

(C) set of confocal hyperbolas

(D) set of confocal ellipses

Answer: (B) 

Explanation:

Gate EC-2006 Question Paper With Solutions

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