Series Circuit Physics Example 4

Follow the full solution, then compare it with the other examples linked below.

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Three resistors (

4 \text{ } \Omega

6 \text{ } \Omega

, and

2 \text{ } \Omega

) are connected in series to a

24 \text{ V}

battery. Calculate: (a) total resistance, (b) current, (c) voltage across the

6 \text{ } \Omega

resistor.

1
(a) In series: $R_T = 4 + 6 + 2 = 12 \text{ } \Omega$ .
2
(b) $I = \frac{V}{R_T} = \frac{24}{12} = 2 \text{ A}$ (same through all components).
3
(c) $V_6 = IR_6 = 2 \times 6 = 12 \text{ V}$ .

Answer

(a)\; 12 \text{ } \Omega; \quad (b)\; 2 \text{ A}; \quad (c)\; 12 \text{ V}

In a series circuit, resistances add directly, current is the same everywhere, and voltage divides proportionally across each resistor (

V \propto R

About Series Circuit

A circuit arrangement in which components are connected end-to-end along a single path, so exactly the same current flows through every component.

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