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What is the equivalent resistance of a circuit of two resistors R1 and R2 connected in series if R1 = 100 Ohms and R2 = 200 Ohms? A)400 Ohms B)500 Ohms C)800 Ohms D)150 Ohms E)300 Ohms

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ANSWER:

E) 300 Ohms

STEP-BY-STEP EXPLANATION:

Given:

R1 = 100 Ω

R2 = 200 Ω

The equivalent resistance in a series circuit is the sum of each resistance, therefore:

[tex]\begin{gathered} R_{eq}=R_1++R_2 \\ R_{eq}=100+200 \\ R_{eq}=300Ω \end{gathered}[/tex]

The equivalent resistance is equal to 300 ohms.