Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 Both X and Y are equally sensitive.
 Y is more sensitive.
 X is more sensitive.
 It would not be possible to assess the sensitivity on the basis of the given data.

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

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Measurement and Instrumentation
A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these,

 1 represents greater precision than 2 and 3.
 2 and 3 represent greater precision than 1.
 2 represents greater precision but 1 and 3 represent same precision.
 1, 2 and 3 represent same precision.

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