Question
What is the electrical term for the force that causes electron flow?
Answer Options
- A) Voltage
- B) Ampere-Loss
- C) Capacitance
- D) Inductance
Correct Answer: A
Explanation
The ‘force’ or potential difference that pushes electrons to flow (creating current) is called Voltage (or Electromotive Force, EMF). Voltage is the amount of energy difference (potential) between two points in an electrical circuit, which compels the electrons to move.
Analogously, voltage is often compared to electrical pressure: high voltage means high pressure, which can drive a high current if the resistance (opposition) is low. It is measured in Volts (\text{V}).
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