question_answer

Three resistors are connected to form the sides of a triangle ABC, the resistance of the sides AB, BC and CA are 40 ohms, 60 ohms and 100 ohms respectively. The effective resistance between the points A and B in ohms will be [JIPMER 2002]

A)         32                                      

B)         64

C)         50                                      

D)         200

Correct Answer: A

Solution :

                                                            \[R=\frac{160\times 40}{160+40}=32\Omega \].