First slide

combination of resistance

Question

In the network shown in the figure, each of the resistance is equal to $2 Ω .$ The resistance between the points A and B is

Easy

A

$1 Ω$
B

$4 Ω$
C

$3 Ω$
D

$2 Ω$

Solution

The equivalent circuits are as shown below
Clearly, the circuit is a balanced Wheatstone bridge. So effective resistance between A and.B is $2 Ω$

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