First slide

combination of resistance

Question

Find the equivalent resistance between the points a and b.

Moderate

A

$2 Ω$
B

$4 Ω$
C

$8 Ω$
D

$16 Ω$

Solution

Given circuit is a balanced Wheatstone's bridge circuit, hence it can be redrawn as follows:
$R_{AB} = \frac{12 \times 6}{(12 + 6)} = 4 Ω$

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