ôm-kế

Một kỹ sư dùng ôm-kế để kiểm tra điện trở của một mạch điện.

Definition

1. Noun:
   • Ohmmeter: An electrical measuring instrument that directly measures electrical resistance and displays the value on a calibrated scale via a pointer.

Usage Examples

• Noun:
  • Sử dụng ôm-kế để kiểm tra điện trở của cuộn dây. (Use an ohmmeter to check the coil's resistance.)
  • Kim trên mặt số của ôm-kế chỉ 50 Ω. (The needle on the ohmmeter's dial points to 50 Ω.)

Advanced Usage

• The term "ôm-kế" is a direct phonetic loanword from "ohmmeter" and is used specifically in technical and electrical engineering contexts in Vietnamese.

Variants and Related Words

• Đồng hồ đo điện trở: Another Vietnamese term for a resistance measuring meter, often synonymous with "ôm-kế".
  • Đồng hồ đo điện trở này rất chính xác. (This resistance meter is very accurate.)

Synonyms

• Resistance meter: A general term for an instrument that measures electrical resistance.
• Ohmmeter: The direct English equivalent and source of the loanword.

Notes on Usage

• "Ôm-kế" is a compound noun derived from the unit of resistance, "ohm" (Ω), and the suffix "-kế" meaning "meter" or "measuring device". It is a technical term and is not used in everyday, non-specialist conversation.