Measurement and Instrumentation
A multirange instrument has

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

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Measurement and Instrumentation
The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following?

 Frequency measurment modes only.
 Period measurment modes only.
  Period and frequency measurement modes respectively.
 Frequency and period measurment modes, respectively.

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Measurement and Instrumentation
Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit.

 Both 1 and 2 are true.
 1 is true but 2 is false.
  1 is false but 2 is true.
 Both 1 and 2 are false.

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