biến cảm

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The Vietnamese word "biến cảm" can be understood in a few different contexts, but it generally refers to a device known as a variometer, which is used in electronics, particularly in radio and telecommunications.

Basic Explanation:

• Definition: "Biến cảm" (variometer) is a type of electrical device that allows for the adjustment of inductance in a circuit. It's often used to tune radio frequencies or to measure changes in capacitance or inductance.
• Usage: It is commonly used by electricians, engineers, or hobbyists working with radios or other electronic equipment.

Example:

• "Khi sửa radio, thợ điện sử dụng biến cảm để điều chỉnh tần số."
  • ("When repairing the radio, the electrician used a variometer to adjust the frequency.")

Advanced Usage:

In advanced contexts, "biến cảm" can refer to its application in various fields, such as: - Aerospace: In aircraft, variometers are used to measure the rate of climb or descent. - Measurement Instruments: It can also be used in instruments that measure electrical characteristics in circuits.

Word Variants:

• Biến cảm điện: This variant emphasizes the electrical nature of the variometer.
• Biến trở: This is a related term that means "rheostat," which is a type of variable resistor.

Different Meanings:

While "biến cảm" primarily refers to the variometer, in a broader sense, it can also imply: - Adjustment: The term can be used metaphorically to describe the process of adjusting or tuning something, such as one's feelings or actions.

Synonyms:

• Tụ điện điều chỉnh: This means "adjustable capacitor," which is a related concept in electronics.
• Biến trở: As previously mentioned, this refers to a rheostat, which is another type of variable component in electrical circuits.

Conclusion:

"Biến cảm" is a specialized term in the field of electronics and engineering that may not come up in everyday conversation. However, understanding its meaning and applications can be very useful for those interested in electronics or engineering.

Academic

1. (điện) Variometer