biến trở

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The Vietnamese word "biến trở" translates to "rheostat" in English. It is a noun used in the context of electronics and electrical engineering.

Definition:

A "biến trở" (rheostat) is an electrical component that allows you to adjust the resistance in a circuit. This adjustment helps control the flow of electric current. Rheostats are commonly used to dim lights, control motors, and adjust the speed of devices.

Usage Instructions:

• "Biến trở" is typically used in technical discussions related to electronics.
• You may encounter this term when talking about circuits, electrical devices, or when learning about how to control electrical systems.

Example:

• "Chúng ta cần một biến trở để điều chỉnh độ sáng của đèn." (We need a rheostat to adjust the brightness of the light.)

Advanced Usage:

In advanced applications, "biến trở" can refer to adjustable resistors in more complex electronic devices, such as in audio equipment where sound levels need to be controlled.

Word Variants:

• "Biến trở" can be combined with other terms to specify different types, such as:
  • "biến trở tuyến tính" (linear rheostat)
  • "biến trở không tuyến tính" (non-linear rheostat)

Different Meanings:

In a broader sense, "biến trở" can sometimes be used metaphorically in Vietnamese to describe something that changes or adjusts in response to different conditions, although this usage is less common.

Synonyms:

• "Điện trở điều chỉnh" (adjustable resistor) can be considered a synonym, although it usually refers to a broader category of components that can adjust resistance.

Academic

noun

1. Rheostat