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  • Electrology Licensing Exam
  • Electricity cannot flow unless there is what?
Multiple choice

Electricity cannot flow unless there is what?

  1. amperes

  2. ohms

  3. watts

  4. voltage

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Voltage (potential difference) is the force or pressure that pushes electrons through a conductor. Without voltage, there is no flow of electricity.

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