Physics
JAMB 2018
What is the resultant resistance of the circuit in the image shown?
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A.
8Ω
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B.
11Ω
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C.
4Ω
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D.
3.6Ω
Correct Answer: Option A
Explanation
First, the two 2-ohm resistors are in parallel
R\(_T\) = \(\frac{2 \times 2}{2 + 2}\) = 1 ohm
Now, the 3, 4, and 1 ohm resistors are in series
Therefore, R\(_eq\) = 3 + 4 + 1 = 8 ohms.
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