Measurement and Instrumentation
The main advantage of Anderson bridge over Maxwell bridge is that

 attaining balance condition is easier.
  reduction of the cost.
 balance equation independent of frequency.
 measures high Q inductors.

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Measurement and Instrumentation
A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to

 Reduce the size of the meter.
  Minimize the effect of temperature variation.
 Obtaine large deflecting torque.
 Minimize the effect of stray magnetic fields.

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