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A bridge used for the measurement of capacitance is

  • A bridge used for the measurement of capacitance is Wein bridge.
  • The Wein bridge is a type of bridge circuit used to measure the capacitance of an unknown component accurately.
  • The Wein bridge consists of four arms, each containing a resistance and a capacitor, arranged in a diamond shape.
  • The bridge is balanced by varying the resistance and capacitance of one arm until the voltage across the bridge is zero.
  • The capacitance of the unknown component can be calculated from the known values of the resistances and capacitances in the other arms of the bridge.
  • The Wein bridge is particularly useful for measuring low values of capacitance, such as those found in audio-frequency applications.
  • The accuracy of the bridge depends on the frequency of the AC source used, with higher frequencies providing more accurate results.