JAMB - Physics (1982 - No. 40)

what is the resultant resistance in the circuit given above
11Ω
8Ω
4Ω
3.6Ω
4.3Ω
Explanation
The 2\(\Omega\) resistors are in parallel
R\(_{para}\) = \(\frac{R_1 \times R_2}{R_1 + R_2}\) = \(\frac{2 \times 2}{2 + 2}\) = \(\frac{4}{4}\) = 1 \(\Omega\)
This 1 \(\Omega\) resistor is in series with both the 4 \(\Omega\) and 3 \(\Omega\) resistors
Therefore, R\(_{total}\) = 1 + 4 + 3 = 8 \(\Omega\)
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