Please helpp mecwith this question

Question

asked Feb 20, 2021 142k views

1 Answer

Alanna · Answer 1 · 2021-02-24T12:38:59+0000

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$(1)/(R) = (1)/(8) + (1)/(12) \\$

$(1)/(R) = (1 * 3)/(8 * 3) + (1 * 2)/(12 * 2) \\$

$(1)/(R) = (3)/(24) + (2)/(24) \\$

$(1)/(R) = (3 + 2)/(24) \\$

$(1)/(R) = (5)/(24) \\$

Inverse both sides

$(R)/(1) = (24)/(5) \\$

$R = (24 * 2)/(5 * 2) \\$

$R = (48)/(10) \\$

$R = 4.8 \: \: Ω$

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The correct answer is (( B )) .

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