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Measurement and Instrumentation

Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Gravity
Spring
All of the listed here
Eddy currents

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Measurement and Instrumentation
The scale of hot wire ammeter is

 Linear.
 Cramped.
  Non Linear.
 Absloute linear.

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Measurement and Instrumentation
Relative permittivity can be measured by _______ bridge

 Wheatstones.
 Schering.
 Hays.
 Desautys.

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Measurement and Instrumentation
In induction type ammeter, _____ damping is provided.

Eaddy current
Air friction
None of the listed here
Fluid friction

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Measurement and Instrumentation
The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as

 (400 ± 3) A
 (400 ± 1) A
 (400 ± 2.24) A
 (400 ± 1.5) A

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Measurement and Instrumentation
The chemical effect of current is used in

C. energy meter
C. ammeter hour meter
C. ammeter
None of these

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MORE MCQ ON Measurement and Instrumentation

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