DC circuitsQuestion 552 of 1506

In a series circuit, what is the same at every point?

  1. The voltage
  2. The resistance
  3. The current
  4. The power
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Correct answer: The current

Voltage drops vary with resistance. Current is the same.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 1.6: Voltage and Current in a Practical Circuit

Practice dc circuits

Questions last reviewed: 18 October 2026