von kế

Một học sinh đang dùng von kế để đo điện áp của một viên pin.

Definition

1. Noun:
   • Voltmeter: An instrument used for measuring the electric potential difference, or voltage, between two points in an electrical circuit. The term "von kế" is a direct phonetic adaptation of the French "voltmètre" into Vietnamese.

Usage Examples

• Noun:
  • Kỹ sư dùng von kế để kiểm tra điện áp. (The engineer uses a voltmeter to check the voltage.)
  • Von kế trên bảng mạch hiển thị 220V. (The voltmeter on the circuit board displays 220V.)

Advanced Usage

• The word "von kế" is a technical term used primarily in electrical engineering, physics, and related technical fields. It is considered a standard term in Vietnamese technical vocabulary.

Variants and Related Words

• Vôn kế: This is a more common modern spelling variant of "von kế". Both terms refer to the same instrument.
  • Vôn kế số cho kết quả chính xác hơn. (A digital voltmeter gives more accurate results.)

Synonyms

• Voltmeter: The direct and most accurate English equivalent.
• Voltage meter: A descriptive synonym.

Notes on Usage

• "Von kế" is a loanword. Its usage is almost exclusively technical. In everyday conversation, the concept might be described rather than using this specific term (e.g., "dụng cụ đo điện áp" - a tool for measuring voltage).