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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Measurement and Instrumentation
Which of following is not correct?

 An ammeter should have a very low resitance.
 A shunt should have a very low resistance.
  An electronic voltmeter draw appreciable current from the source.
 Voltmeter should have very high resistance.

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