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INDUCTANCE BRIDGE
SUMMARY - 14188_41

Neets Module 16-Introduction to Test Equipment
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1-26 Figure 1-8.—Inductance bridge. The ac signal is applied to the bridge, and variable resistors R1 and R2 are adjusted for a minimum or zero deflection of the meter, indicating a condition of balance. When the bridge is balanced, the following formulas may be used to find Lx. (NOTE: The right side of this expression is NOT inverse as it was in the capacitance bridge.) and or In figure 1-8, for example, the values of R1, R2, and Rs are 20, 40, and 60 ohms, respectively. The value of Ls is 10 millihenries. We can find the values of Rx and Lx by using their respective formulas as follows:






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