PhysicsElectricity

Resistors in Series

Add three resistors in series and see the equivalent resistance grow.

R₁10 Ω

R₂20 Ω

R₃30 Ω

Battery12 V

Rs = R₁+R₂+R₃

60Ω

Current (same everywhere)

0.2A

Drop across R₁

V₁2

V₂4

V₃6

Live circuit — electron flowI = 0.2 A

Same electrons pass through every resistor — current is common, voltage divides. Bigger current = faster dots.

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In series the current is common and voltage divides in the ratio of resistances.

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