Capacitance Bridge

A capacitance bridge is a type of electrical and electronic properties measuring and testing instrument that falls under the supply class of Electrical And Electronic Properties Measuring And Testing Instruments in the supply group of Instruments And Laboratory Equipment.

A capacitance bridge is used to measure the capacitance of a capacitor accurately. It works on the principle of comparing the unknown capacitance with a known reference capacitance. The bridge circuit consists of four arms, with one arm containing the unknown capacitor and the other arm containing the reference capacitor. The bridge is balanced by adjusting the values of resistors in the remaining two arms.

When the bridge is balanced, the ratio of the unknown capacitance to the reference capacitance can be determined. This allows for accurate measurement of the unknown capacitance value. Capacitance bridges are commonly used in various applications, such as in the calibration of capacitors, quality control of electronic components, and research and development.

Overall, capacitance bridges are essential instruments in the field of electrical and electronic properties measuring and testing. They provide accurate and reliable measurements of capacitance, which is an important parameter in many electronic circuits and systems.