Combining Resistors in Series & Parallel Video Lessons

Concept

# Problem: Two resistors in a circuit are connected in series. R1 has a value of 10 ohms, and R2 has a value of 15 ohms. The equivalent resistance of the two resistors together is a. 150 ohms b. 25 ohms c. Less than 10

###### FREE Expert Solution

Equivalent resistance for resistors in series:

$\overline{){{\mathbf{R}}}_{{\mathbf{eq}}}{\mathbf{=}}{{\mathbf{R}}}_{{\mathbf{1}}}{\mathbf{+}}{{\mathbf{R}}}_{{\mathbf{2}}}{\mathbf{+}}{\mathbf{.}}{\mathbf{.}}{\mathbf{.}}{\mathbf{+}}{{\mathbf{R}}}_{{\mathbf{n}}}}$

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###### Problem Details

Two resistors in a circuit are connected in series. R1 has a value of 10 ohms, and R2 has a value of 15 ohms. The equivalent resistance of the two resistors together is

a. 150 ohms

b. 25 ohms

c. Less than 10