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Physics
Find the equivalent resistance between the points a and b.
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Q. Find the equivalent resistance between the points $a$ and $b$.
Current Electricity
A
$2\, \Omega$
B
$4\, \Omega$
C
$8\, \Omega$
D
$16 \, \Omega$
Solution:
Given circuit is a balanced Wheatstone's bridge circuit, hence it can be redrawn as follows:
$R_{A B}=\frac{12 \times 6}{(12+6)}=4\, \Omega$