Measurement and Instrumentation
A multirange instrument has

Variable turns of coil
Multicoil arrangement
Multiple shunt or series resistance inside the meter
Multirange meters inside the measurement system

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Measurement and Instrumentation
The measurement of a quantity

 is a comparison of an unknown quantity with known quantity.
 none of these.
  is a comparison of an unknown quantity with standard.
 is a comparison of an unknown quantity with another quantity.

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