DC circuitsQuestion 541 of 1506

A battery is connected to nothing. What is measured across its terminals?

  1. Current, with no voltage
  2. Neither voltage nor current
  3. Voltage, with no current
  4. Both voltage and current
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Correct answer: Voltage, with no current

Voltage exists with no path, but current needs a path.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 1.4: Voltage and Current

Practice dc circuits

Questions last reviewed: 18 October 2026