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What is the disadvantage of Maxwell Bridge?(a) Inductance cannot be measured over a wide range(b) Measurement is not independent of frequency(c) Number of components is large(d) Inductance can be measured over a wide rangeThe question was posed to me in a national level competition.My question is taken from Advanced Problems on Measurement of Inductance using AC Bridges in chapter Measurement of Inductance and Capacitance of Electrical Measurements

Answer»

Correct OPTION is (a) Inductance cannot be MEASURED over a wide RANGE

To explain: Maxwell Bridge cannot be used for the MEASUREMENT of high Q values.

We have, Q = \(\frac{1}{ωR_X C_X} = \frac{ωL_X}{R_X}\)

Hence, Q ∝ LX

∴ Inductance cannot be measured over a wide range.



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