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Question
Given the resistances of 1 Ω, 2 Ω, 3 Ω, how will be combine them to get an equivalent resistance of 6 Ω?
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Solution
Equivalent resistance, R’ = 6 Ω
Consider the series combination of the resistors, as shown in the given circuit.

Equivalent resistance of the circuit is given by the sum,
R’ = 1 + 2 + 3 = 6 Ω
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